12001956676 has 12 divisors (see below), whose sum is σ = 21022578108. Its totient is φ = 5995505792.

The previous prime is 12001956671. The next prime is 12001956677. The reversal of 12001956676 is 67665910021.

It can be written as a sum of positive squares in 2 ways, for example, as 4459034176 + 7542922500 = 66776^2 + 86850^2 .

It is not an unprimeable number, because it can be changed into a prime (12001956671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363201 + ... + 1371976.

It is an arithmetic number, because the mean of its divisors is an integer number (1751881509).

Almost surely, 2^12001956676 is an apocalyptic number.

It is an amenable number.

12001956676 is a deficient number, since it is larger than the sum of its proper divisors (9020621432).

12001956676 is a wasteful number, since it uses less digits than its factorization.

12001956676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736278 (or 2736276 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 12001956676 in words is "twelve billion, one million, nine hundred fifty-six thousand, six hundred seventy-six".