1201191928392 has 32 divisors (see below), whose sum is σ = 3003008234400. Its totient is φ = 400393521024.

The previous prime is 1201191928373. The next prime is 1201191928403. The reversal of 1201191928392 is 2938291911021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3664284 + ... + 3978612.

It is an arithmetic number, because the mean of its divisors is an integer number (93844007325).

Almost surely, 2^{1201191928392} is an apocalyptic number.

1201191928392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201191928392 is an abundant number, since it is smaller than the sum of its proper divisors (1801816306008).

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

1201191928392 is a wasteful number, since it uses less digits than its factorization.

1201191928392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473565 (or 473561 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 48.

The spelling of 1201191928392 in words is "one trillion, two hundred one billion, one hundred ninety-one million, nine hundred twenty-eight thousand, three hundred ninety-two".