101012021912 has 16 divisors (see below), whose sum is σ = 192607669800. Its totient is φ = 49649976640.

The previous prime is 101012021911. The next prime is 101012021921. The reversal of 101012021912 is 219120210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012021911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107003789 + ... + 107004732.

Almost surely, 2^101012021912 is an apocalyptic number.

It is an amenable number.

101012021912 is a deficient number, since it is larger than the sum of its proper divisors (91595647888).

101012021912 is a wasteful number, since it uses less digits than its factorization.

101012021912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214008586 (or 214008582 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 101012021912 in words is "one hundred one billion, twelve million, twenty-one thousand, nine hundred twelve".