1210012021112 has 16 divisors (see below), whose sum is σ = 2272009030200. Its totient is φ = 604142946400.

The previous prime is 1210012021091. The next prime is 1210012021157. The reversal of 1210012021112 is 2111202100121.

It is a congruent number.

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, 107877062 + ... + 107888277.

Almost surely, 2^{1210012021112} is an apocalyptic number.

It is an amenable number.

1210012021112 is a deficient number, since it is larger than the sum of its proper divisors (1061997009088).

1210012021112 is a wasteful number, since it uses less digits than its factorization.

1210012021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215766046 (or 215766042 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210012021112 its reverse (2111202100121), we get a palindrome (3321214121233).

The spelling of 1210012021112 in words is "one trillion, two hundred ten billion, twelve million, twenty-one thousand, one hundred twelve".