12258620720 has 40 divisors (see below), whose sum is σ = 28528918080. Its totient is φ = 4898695680.

The previous prime is 12258620713. The next prime is 12258620761. The reversal of 12258620720 is 2702685221.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9380 + ... + 156860.

It is an arithmetic number, because the mean of its divisors is an integer number (713222952).

Almost surely, 2^12258620720 is an apocalyptic number.

12258620720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12258620720 is an abundant number, since it is smaller than the sum of its proper divisors (16270297360).

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

12258620720 is a wasteful number, since it uses less digits than its factorization.

12258620720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148533 (or 148527 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 12258620720 in words is "twelve billion, two hundred fifty-eight million, six hundred twenty thousand, seven hundred twenty".