19120002112 has 28 divisors (see below), whose sum is σ = 37946068380. Its totient is φ = 9558788096.

The previous prime is 19120002107. The next prime is 19120002127. The reversal of 19120002112 is 21120002191.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14654555136 + 4465446976 = 121056^2 + 66824^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19120002112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701964 + ... + 728692.

Almost surely, 2^19120002112 is an apocalyptic number.

It is an amenable number.

19120002112 is a deficient number, since it is larger than the sum of its proper divisors (18826066268).

19120002112 is a wasteful number, since it uses less digits than its factorization.

19120002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37918 (or 37908 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 19120002112 in words is "nineteen billion, one hundred twenty million, two thousand, one hundred twelve".