19000304712 has 24 divisors (see below), whose sum is σ = 51459158790. Its totient is φ = 6333434880.

The previous prime is 19000304689. The next prime is 19000304759. The reversal of 19000304712 is 21740300091.

19000304712 is a `hidden beast` number, since 190 + 0 + 0 + 3 + 0 + 471 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16608507876 + 2391796836 = 128874^2 + 48906^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×19000304712² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131946489 + ... + 131946632.

Almost surely, 2^19000304712 is an apocalyptic number.

19000304712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19000304712 is an abundant number, since it is smaller than the sum of its proper divisors (32458854078).

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

19000304712 is a wasteful number, since it uses less digits than its factorization.

19000304712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263893133 (or 263893126 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The spelling of 19000304712 in words is "nineteen billion, three hundred four thousand, seven hundred twelve".