12256345050 has 24 divisors (see below), whose sum is σ = 30395736096. Its totient is φ = 3268358640.

The previous prime is 12256345037. The next prime is 12256345091. The reversal of 12256345050 is 5054365221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40854334 + ... + 40854633.

It is an arithmetic number, because the mean of its divisors is an integer number (1266489004).

Almost surely, 2^12256345050 is an apocalyptic number.

12256345050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12256345050 is an abundant number, since it is smaller than the sum of its proper divisors (18139391046).

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

12256345050 is a wasteful number, since it uses less digits than its factorization.

12256345050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81708982 (or 81708977 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 12256345050 in words is "twelve billion, two hundred fifty-six million, three hundred forty-five thousand, fifty".