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2230111212012 = 2233231914700473
BaseRepresentation
bin100000011100111100111…
…111001001000111101100
321220012022021200121001000
4200130330333021013230
5243014231432241022
64424255434520300
7320056143351135
oct40347477110754
97805267617030
102230111212012
1178a86a705272
12300263896090
131323b5cb6558
1479d1ba88c8c
153d024be76ac
hex2073cfc91ec

2230111212012 has 96 divisors (see below), whose sum is σ = 6064739573760. Its totient is φ = 707327026560.

The previous prime is 2230111211971. The next prime is 2230111212029. The reversal of 2230111212012 is 2102121110322.

It is a super-2 number, since 2×22301112120122 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1875793 + ... + 2824680.

It is an arithmetic number, because the mean of its divisors is an integer number (63174370560).

Almost surely, 22230111212012 is an apocalyptic number.

It is an amenable number.

2230111212012 is an abundant number, since it is smaller than the sum of its proper divisors (3834628361748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2230111212012 is a wasteful number, since it uses less digits than its factorization.

2230111212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700700 (or 4700692 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2230111212012 its reverse (2102121110322), we get a palindrome (4332232322334).

The spelling of 2230111212012 in words is "two trillion, two hundred thirty billion, one hundred eleven million, two hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 54 69 92 108 138 191 207 276 382 414 573 621 764 828 1146 1242 1719 2292 2484 3438 4393 5157 6876 8786 10314 13179 17572 20628 26358 39537 52716 79074 118611 158148 237222 474444 4700473 9400946 14101419 18801892 28202838 42304257 56405676 84608514 108110879 126912771 169217028 216221758 253825542 324332637 432443516 507651084 648665274 897790343 972997911 1297330548 1795580686 1945995822 2693371029 2918993733 3591161372 3891991644 5386742058 5837987466 8080113087 10773484116 11675974932 16160226174 20649177889 24240339261 32320452348 41298355778 48480678522 61947533667 82596711556 96961357044 123895067334 185842601001 247790134668 371685202002 557527803003 743370404004 1115055606006 2230111212012