12576500420 has 72 divisors (see below), whose sum is σ = 29252228544. Its totient is φ = 4538248000.

The previous prime is 12576500413. The next prime is 12576500423. The reversal of 12576500420 is 2400567521.

It is not an unprimeable number, because it can be changed into a prime (12576500423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297185 + ... + 336855.

It is an arithmetic number, because the mean of its divisors is an integer number (406280952).

Almost surely, 2^12576500420 is an apocalyptic number.

12576500420 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 12576500420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14626114272).

12576500420 is an abundant number, since it is smaller than the sum of its proper divisors (16675728124).

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

12576500420 is a wasteful number, since it uses less digits than its factorization.

12576500420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39833 (or 39820 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 12576500420 in words is "twelve billion, five hundred seventy-six million, five hundred thousand, four hundred twenty".