1200100012192 has 24 divisors (see below), whose sum is σ = 2364538520736. Its totient is φ = 599582292672.

The previous prime is 1200100012169. The next prime is 1200100012219. The reversal of 1200100012192 is 2912100010021.

It is a happy 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, 14574348 + ... + 14656459.

It is an arithmetic number, because the mean of its divisors is an integer number (98522438364).

Almost surely, 2^{1200100012192} is an apocalyptic number.

It is an amenable number.

1200100012192 is a deficient number, since it is larger than the sum of its proper divisors (1164438508544).

1200100012192 is a wasteful number, since it uses less digits than its factorization.

1200100012192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29232100 (or 29232092 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1200100012192 in words is "one trillion, two hundred billion, one hundred million, twelve thousand, one hundred ninety-two".