101238950172 has 48 divisors (see below), whose sum is σ = 238447932800. Its totient is φ = 33428790720.

The previous prime is 101238950123. The next prime is 101238950173. The reversal of 101238950172 is 271059832101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101238950172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101238950173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8588979 + ... + 8600757.

Almost surely, 2^101238950172 is an apocalyptic number.

101238950172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101238950172 is an abundant number, since it is smaller than the sum of its proper divisors (137208982628).

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

101238950172 is a wasteful number, since it uses less digits than its factorization.

101238950172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18466 (or 18464 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 101238950172 in words is "one hundred one billion, two hundred thirty-eight million, nine hundred fifty thousand, one hundred seventy-two".