19301012912 has 40 divisors (see below), whose sum is σ = 37998557520. Its totient is φ = 9496166400.

The previous prime is 19301012893. The next prime is 19301012923. The reversal of 19301012912 is 21921010391.

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, 212912 + ... + 289712.

It is an arithmetic number, because the mean of its divisors is an integer number (949963938).

Almost surely, 2^19301012912 is an apocalyptic number.

It is an amenable number.

19301012912 is a deficient number, since it is larger than the sum of its proper divisors (18697544608).

19301012912 is a wasteful number, since it uses less digits than its factorization.

19301012912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77061 (or 77055 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 19301012912 in words is "nineteen billion, three hundred one million, twelve thousand, nine hundred twelve".