12210214031212 has 24 divisors (see below), whose sum is σ = 22493261952000. Its totient is φ = 5783589542736.

The previous prime is 12210214031173. The next prime is 12210214031341. The reversal of 12210214031212 is 21213041201221.

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, 453712 + ... + 4962487.

It is an arithmetic number, because the mean of its divisors is an integer number (937219248000).

Almost surely, 2^{12210214031212} is an apocalyptic number.

It is an amenable number.

12210214031212 is a deficient number, since it is larger than the sum of its proper divisors (10283047920788).

12210214031212 is a wasteful number, since it uses less digits than its factorization.

12210214031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445885 (or 5445883 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12210214031212 its reverse (21213041201221), we get a palindrome (33423255232433).

The spelling of 12210214031212 in words is "twelve trillion, two hundred ten billion, two hundred fourteen million, thirty-one thousand, two hundred twelve".