12195056076 has 48 divisors (see below), whose sum is σ = 32549207040. Its totient is φ = 3481188480.

The previous prime is 12195056047. The next prime is 12195056077. The reversal of 12195056076 is 67065059121.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (12195056077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30541 + ... + 159131.

It is an arithmetic number, because the mean of its divisors is an integer number (678108480).

Almost surely, 2^12195056076 is an apocalyptic number.

It is an amenable number.

12195056076 is an abundant number, since it is smaller than the sum of its proper divisors (20354150964).

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

12195056076 is a wasteful number, since it uses less digits than its factorization.

12195056076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129734 (or 129732 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 12195056076 in words is "twelve billion, one hundred ninety-five million, fifty-six thousand, seventy-six".