12100212211012 has 6 divisors (see below), whose sum is σ = 21175371369278. Its totient is φ = 6050106105504.

The previous prime is 12100212210971. The next prime is 12100212211051. The reversal of 12100212211012 is 21011221200121.

It can be written as a sum of positive squares in only one way, i.e., 9357028273476 + 2743183937536 = 3058926^2 + 1656256^2 .

It is a super-2 number, since 2×12100212211012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512526526373 + ... + 1512526526380.

Almost surely, 2^{12100212211012} is an apocalyptic number.

It is an amenable number.

12100212211012 is a deficient number, since it is larger than the sum of its proper divisors (9075159158266).

12100212211012 is a wasteful number, since it uses less digits than its factorization.

12100212211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025053052757 (or 3025053052755 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12100212211012 its reverse (21011221200121), we get a palindrome (33111433411133).

The spelling of 12100212211012 in words is "twelve trillion, one hundred billion, two hundred twelve million, two hundred eleven thousand, twelve".