12345951996 has 108 divisors (see below), whose sum is σ = 37474207680. Its totient is φ = 3413612160.

The previous prime is 12345951941. The next prime is 12345951997. The reversal of 12345951996 is 69915954321.

12345951996 is a `hidden beast` number, since 1 + 2 + 34 + 5 + 9 + 519 + 96 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345951997) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58201 + ... + 167568.

Almost surely, 2^12345951996 is an apocalyptic number.

It is an amenable number.

12345951996 is an abundant number, since it is smaller than the sum of its proper divisors (25128255684).

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

12345951996 is a wasteful number, since it uses less digits than its factorization.

12345951996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225824 (or 225812 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 54.

The spelling of 12345951996 in words is "twelve billion, three hundred forty-five million, nine hundred fifty-one thousand, nine hundred ninety-six".