19132012 has 12 divisors (see below), whose sum is σ = 35243320. Its totient is φ = 9062496.

The previous prime is 19131977. The next prime is 19132013. The reversal of 19132012 is 21023191.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (19132013) 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, 125793 + ... + 125944.

Almost surely, 2^19132012 is an apocalyptic number.

It is an amenable number.

19132012 is a deficient number, since it is larger than the sum of its proper divisors (16111308).

19132012 is a wasteful number, since it uses less digits than its factorization.

19132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251760 (or 251758 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 19132012 is about 4374.0155463830. The cubic root of 19132012 is about 267.4567409011.

The spelling of 19132012 in words is "nineteen million, one hundred thirty-two thousand, twelve".