199502231112 has 36 divisors (see below), whose sum is σ = 540328807395. Its totient is φ = 66499480368.

The previous prime is 199502231023. The next prime is 199502231177. The reversal of 199502231112 is 211132205991.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

199502231112 is a `hidden beast` number, since 1 + 9 + 9 + 502 + 2 + 31 + 112 = 666.

It can be written as a sum of positive squares in only one way, i.e., 99751115556 + 99751115556 = 315834^2 + 315834^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=315834.

It is a super-2 number, since 2×199502231112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3763689 + ... + 3816327.

Almost surely, 2^199502231112 is an apocalyptic number.

199502231112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199502231112 is an abundant number, since it is smaller than the sum of its proper divisors (340826576283).

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

199502231112 is an frugal number, since it uses more digits than its factorization.

199502231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105290 (or 52644 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The spelling of 199502231112 in words is "one hundred ninety-nine billion, five hundred two million, two hundred thirty-one thousand, one hundred twelve".