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12101012011122 = 234498747513529
BaseRepresentation
bin1011000000010111110010…
…0001011011100001110010
31120211211211022222221022120
42300011330201123201302
53041230333033323442
641423043404015110
72356161233645526
oct260057441334162
946754738887276
1012101012011122
113946012897931
121435310531496
1369a174a83578
142db9991d5d86
1515eb95e104ec
hexb017c85b872

12101012011122 has 32 divisors (see below), whose sum is σ = 24258746376000. Its totient is φ = 4024219035648.

The previous prime is 12101012011007. The next prime is 12101012011139. The reversal of 12101012011122 is 22111021010121.

It is a happy number.

It is a super-2 number, since 2×121010120111222 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23307654 + ... + 23821182.

It is an arithmetic number, because the mean of its divisors is an integer number (758085824250).

Almost surely, 212101012011122 is an apocalyptic number.

12101012011122 is an abundant number, since it is smaller than the sum of its proper divisors (12157734364878).

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

12101012011122 is a wasteful number, since it uses less digits than its factorization.

12101012011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522730.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12101012011122 its reverse (22111021010121), we get a palindrome (34212033021243).

It can be divided in two parts, 1210101 and 2011122, that added together give a palindrome (3221223).

The spelling of 12101012011122 in words is "twelve trillion, one hundred one billion, twelve million, eleven thousand, one hundred twenty-two".

Divisors: 1 2 3 6 449 898 1347 2694 8747 17494 26241 52482 513529 1027058 1540587 3081174 3927403 7854806 11782209 23564418 230574521 461149042 691723563 1383447126 4491838163 8983676326 13475514489 26951028978 2016835335187 4033670670374 6050506005561 12101012011122