195233512500 has 216 divisors, whose sum is σ = 664298716536. Its totient is φ = 48057120000.

The previous prime is 195233512493. The next prime is 195233512511. The reversal of 195233512500 is 5215332591.

195233512500 is a `hidden beast` number, since 1 + 9 + 52 + 3 + 351 + 250 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 195005260836 + 228251664 = 441594^2 + 15108^2 .

It is a super-2 number, since 2×195233512500² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1395754 + ... + 1529246.

It is an arithmetic number, because the mean of its divisors is an integer number (3075457021).

Almost surely, 2^195233512500 is an apocalyptic number.

195233512500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195233512500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332149358268).

195233512500 is an abundant number, since it is smaller than the sum of its proper divisors (469065204036).

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

195233512500 is a wasteful number, since it uses less digits than its factorization.

195233512500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133541 (or 133516 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 195233512500 in words is "one hundred ninety-five billion, two hundred thirty-three million, five hundred twelve thousand, five hundred".