12256787202 has 48 divisors (see below), whose sum is σ = 27206437440. Its totient is φ = 3678095520.

The previous prime is 12256787173. The next prime is 12256787227. The reversal of 12256787202 is 20278765221.

It is a super-2 number, since 2×12256787202² (a number of 21 digits) contains 22 as substring.

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, 7177 + ... + 156732.

It is an arithmetic number, because the mean of its divisors is an integer number (566800780).

Almost surely, 2^12256787202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12256787202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13603218720).

12256787202 is an abundant number, since it is smaller than the sum of its proper divisors (14949650238).

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

12256787202 is a wasteful number, since it uses less digits than its factorization.

12256787202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164039 (or 164028 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 12256787202 in words is "twelve billion, two hundred fifty-six million, seven hundred eighty-seven thousand, two hundred two".