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12211202010 = 2357367158443
BaseRepresentation
bin10110101111101100…
…00010011111011010
31011112000112100001010
423113312002133122
5200002031431020
65335412234350
7611414335020
oct132766023732
934460470033
1012211202010
1151a69a5897
12244960b9b6
1311c7b41827
1483bab8710
154b708dde0
hex2d7d827da

12211202010 has 64 divisors (see below), whose sum is σ = 33585057792. Its totient is φ = 2783509056.

The previous prime is 12211201993. The next prime is 12211202027. The reversal of 12211202010 is 1020211221.

It is an interprime number because it is at equal distance from previous prime (12211201993) and next prime (12211202027).

It is a super-2 number, since 2×122112020102 (a number of 21 digits) contains 22 as substring.

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, 2152 + ... + 156291.

It is an arithmetic number, because the mean of its divisors is an integer number (524766528).

Almost surely, 212211202010 is an apocalyptic number.

12211202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12211202010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16792528896).

12211202010 is an abundant number, since it is smaller than the sum of its proper divisors (21373855782).

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

12211202010 is a wasteful number, since it uses less digits than its factorization.

12211202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158827.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12211202010 its reverse (1020211221), we get a palindrome (13231413231).

The spelling of 12211202010 in words is "twelve billion, two hundred eleven million, two hundred two thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 367 734 1101 1835 2202 2569 3670 5138 5505 7707 11010 12845 15414 25690 38535 77070 158443 316886 475329 792215 950658 1109101 1584430 2218202 2376645 3327303 4753290 5545505 6654606 11091010 16636515 33273030 58148581 116297162 174445743 290742905 348891486 407040067 581485810 814080134 872228715 1221120201 1744457430 2035200335 2442240402 4070400670 6105601005 12211202010