19102402012 has 6 divisors (see below), whose sum is σ = 33429203528. Its totient is φ = 9551201004.

The previous prime is 19102401973. The next prime is 19102402049. The reversal of 19102402012 is 21020420191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2387800248 + ... + 2387800255.

Almost surely, 2^19102402012 is an apocalyptic number.

It is an amenable number.

19102402012 is a deficient number, since it is larger than the sum of its proper divisors (14326801516).

19102402012 is a wasteful number, since it uses less digits than its factorization.

19102402012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775600507 (or 4775600505 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 19102402012 in words is "nineteen billion, one hundred two million, four hundred two thousand, twelve".