212110221112012 has 12 divisors (see below), whose sum is σ = 373243676377936. Its totient is φ = 105469170718320.

The previous prime is 212110221112003. The next prime is 212110221112021. The reversal of 212110221112012 is 210211122011212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212110221112003) and next prime (212110221112021).

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, 146484958608 + ... + 146484960055.

Almost surely, 2^{212110221112012} is an apocalyptic number.

It is an amenable number.

212110221112012 is a deficient number, since it is larger than the sum of its proper divisors (161133455265924).

212110221112012 is a wasteful number, since it uses less digits than its factorization.

212110221112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292969918848 (or 292969918846 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212110221112012 its reverse (210211122011212), we get a palindrome (422321343123224).

The spelling of 212110221112012 in words is "two hundred twelve trillion, one hundred ten billion, two hundred twenty-one million, one hundred twelve thousand, twelve".