12256405570 has 16 divisors (see below), whose sum is σ = 22078433088. Its totient is φ = 4898806000.

The previous prime is 12256405549. The next prime is 12256405583. The reversal of 12256405570 is 7550465221.

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, 455806 + ... + 481945.

It is an arithmetic number, because the mean of its divisors is an integer number (1379902068).

Almost surely, 2^12256405570 is an apocalyptic number.

12256405570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12256405570 is a deficient number, since it is larger than the sum of its proper divisors (9822027518).

12256405570 is a wasteful number, since it uses less digits than its factorization.

12256405570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939065.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 12256405570 in words is "twelve billion, two hundred fifty-six million, four hundred five thousand, five hundred seventy".