195012513872 has 20 divisors (see below), whose sum is σ = 412185541056. Its totient is φ = 88642051680.

The previous prime is 195012513853. The next prime is 195012513889. The reversal of 195012513872 is 278315210591.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 554012648 + ... + 554012999.

Almost surely, 2^195012513872 is an apocalyptic number.

It is an amenable number.

195012513872 is an abundant number, since it is smaller than the sum of its proper divisors (217173027184).

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

195012513872 is a wasteful number, since it uses less digits than its factorization.

195012513872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108025666 (or 1108025660 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 44.

The spelling of 195012513872 in words is "one hundred ninety-five billion, twelve million, five hundred thirteen thousand, eight hundred seventy-two".