12211011210112 has 64 divisors (see below), whose sum is σ = 28579530213360. Its totient is φ = 5123501199360.

The previous prime is 12211011210103. The next prime is 12211011210133. The reversal of 12211011210112 is 21101211011221.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×12211011210112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333542973 + ... + 333579580.

Almost surely, 2^{12211011210112} is an apocalyptic number.

It is an amenable number.

12211011210112 is an abundant number, since it is smaller than the sum of its proper divisors (16368519003248).

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

12211011210112 is a wasteful number, since it uses less digits than its factorization.

12211011210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667122591 (or 667122579 counting only the distinct ones).

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

Adding to 12211011210112 its reverse (21101211011221), we get a palindrome (33312222221333).

The spelling of 12211011210112 in words is "twelve trillion, two hundred eleven billion, eleven million, two hundred ten thousand, one hundred twelve".