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12211102010120 = 23513219591611397
BaseRepresentation
bin1011000110110001111001…
…1001011100101100001000
31121020100222200202100002212
42301230132121130230020
53100031314103310440
641545411450444252
72400136330335656
oct261543631345410
947210880670085
1012211102010120
113988776818582
121452715433688
136a766ab01b00
14303040325dd6
1516298ad84465
hexb1b1e65cb08

12211102010120 has 192 divisors, whose sum is σ = 31847670072000. Its totient is φ = 4199014370304.

The previous prime is 12211102010119. The next prime is 12211102010137. The reversal of 12211102010120 is 2101020111221.

It is a super-2 number, since 2×122111020101202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211102010095 and 12211102010104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6772262 + ... + 8383658.

It is an arithmetic number, because the mean of its divisors is an integer number (165873281625).

Almost surely, 212211102010120 is an apocalyptic number.

12211102010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12211102010120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15923835036000).

12211102010120 is an abundant number, since it is smaller than the sum of its proper divisors (19636568061880).

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

12211102010120 is a wasteful number, since it uses less digits than its factorization.

12211102010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611512 (or 1611495 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12211102010120 its reverse (2101020111221), we get a palindrome (14312122121341).

The spelling of 12211102010120 in words is "twelve trillion, two hundred eleven billion, one hundred two million, ten thousand, one hundred twenty".