12625012890 has 64 divisors (see below), whose sum is σ = 38476235520. Its totient is φ = 2885716800.

The previous prime is 12625012867. The next prime is 12625012903. The reversal of 12625012890 is 9821052621.

12625012890 is a `hidden beast` number, since 1 + 2 + 62 + 501 + 2 + 8 + 90 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3338061 + ... + 3341840.

It is an arithmetic number, because the mean of its divisors is an integer number (601191180).

Almost surely, 2^12625012890 is an apocalyptic number.

12625012890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12625012890 is an abundant number, since it is smaller than the sum of its proper divisors (25851222630).

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

12625012890 is a wasteful number, since it uses less digits than its factorization.

12625012890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679924 (or 6679918 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 12625012890 in words is "twelve billion, six hundred twenty-five million, twelve thousand, eight hundred ninety".