120012636572500 has 240 divisors, whose sum is σ = 301699573732480. Its totient is φ = 40905492480000.

The previous prime is 120012636572431. The next prime is 120012636572551. The reversal of 120012636572500 is 5275636210021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5170940896 + ... + 5170964104.

Almost surely, 2^{120012636572500} is an apocalyptic number.

120012636572500 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 120012636572500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150849786866240).

120012636572500 is an abundant number, since it is smaller than the sum of its proper divisors (181686937159980).

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

120012636572500 is a wasteful number, since it uses less digits than its factorization.

120012636572500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24964 (or 24947 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 120012636572500 in words is "one hundred twenty trillion, twelve billion, six hundred thirty-six million, five hundred seventy-two thousand, five hundred".