12013031196 has 36 divisors (see below), whose sum is σ = 30432185784. Its totient is φ = 3995652000.

The previous prime is 12013031179. The next prime is 12013031197. The reversal of 12013031196 is 69113031021.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013031197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345330 + ... + 378521.

It is an arithmetic number, because the mean of its divisors is an integer number (845338494).

Almost surely, 2^12013031196 is an apocalyptic number.

It is an amenable number.

12013031196 is an abundant number, since it is smaller than the sum of its proper divisors (18419154588).

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

12013031196 is a wasteful number, since it uses less digits than its factorization.

12013031196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724322 (or 724317 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 12013031196 in words is "twelve billion, thirteen million, thirty-one thousand, one hundred ninety-six".