12211201012112 has 20 divisors (see below), whose sum is σ = 23701225427760. Its totient is φ = 6094755740448.

The previous prime is 12211201012091. The next prime is 12211201012273. The reversal of 12211201012112 is 21121010211221.

It is a super-2 number, since 2×12211201012112² (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 3 ways as a sum of consecutive naturals, for example, 677788562 + ... + 677806577.

It is an arithmetic number, because the mean of its divisors is an integer number (1185061271388).

Almost surely, 2^{12211201012112} is an apocalyptic number.

It is an amenable number.

12211201012112 is a deficient number, since it is larger than the sum of its proper divisors (11490024415648).

12211201012112 is a wasteful number, since it uses less digits than its factorization.

12211201012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355595710 (or 1355595704 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12211201012112 its reverse (21121010211221), we get a palindrome (33332211223333).

The spelling of 12211201012112 in words is "twelve trillion, two hundred eleven billion, two hundred one million, twelve thousand, one hundred twelve".