1200515138616 has 64 divisors (see below), whose sum is σ = 3102746169600. Its totient is φ = 386835821568.

The previous prime is 1200515138609. The next prime is 1200515138633. The reversal of 1200515138616 is 6168315150021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5896236 + ... + 6096443.

It is an arithmetic number, because the mean of its divisors is an integer number (48480408900).

Almost surely, 2^{1200515138616} is an apocalyptic number.

It is an amenable number.

1200515138616 is an abundant number, since it is smaller than the sum of its proper divisors (1902231030984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200515138616 is a wasteful number, since it uses less digits than its factorization.

1200515138616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11992828 (or 11992824 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 1200515138616 in words is "one trillion, two hundred billion, five hundred fifteen million, one hundred thirty-eight thousand, six hundred sixteen".