12625340220 has 72 divisors (see below), whose sum is σ = 39111718464. Its totient is φ = 3295122048.

The previous prime is 12625340219. The next prime is 12625340243. The reversal of 12625340220 is 2204352621.

It is a happy number.

12625340220 is a `hidden beast` number, since 1 + 2 + 6 + 253 + 402 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 737719 + ... + 754638.

It is an arithmetic number, because the mean of its divisors is an integer number (543218312).

Almost surely, 2^12625340220 is an apocalyptic number.

12625340220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12625340220 is an abundant number, since it is smaller than the sum of its proper divisors (26486378244).

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

12625340220 is a wasteful number, since it uses less digits than its factorization.

12625340220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492419 (or 1492414 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12625340220 its reverse (2204352621), we get a palindrome (14829692841).

The spelling of 12625340220 in words is "twelve billion, six hundred twenty-five million, three hundred forty thousand, two hundred twenty".