12576381950 has 24 divisors (see below), whose sum is σ = 25518623400. Its totient is φ = 4573229600.

The previous prime is 12576381949. The next prime is 12576381967. The reversal of 12576381950 is 5918367521.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12576381895 and 12576381904.

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 11 ways as a sum of consecutive naturals, for example, 11432525 + ... + 11433624.

It is an arithmetic number, because the mean of its divisors is an integer number (1063275975).

Almost surely, 2^12576381950 is an apocalyptic number.

12576381950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12576381950 is an abundant number, since it is smaller than the sum of its proper divisors (12942241450).

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

12576381950 is a wasteful number, since it uses less digits than its factorization.

12576381950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22866172 (or 22866167 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 12576381950 in words is "twelve billion, five hundred seventy-six million, three hundred eighty-one thousand, nine hundred fifty".