1195657442812 has 96 divisors (see below), whose sum is σ = 2425789707264. Its totient is φ = 505098547200.

The previous prime is 1195657442789. The next prime is 1195657442813. The reversal of 1195657442812 is 2182447565911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195657442813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865790362 + ... + 865791742.

It is an arithmetic number, because the mean of its divisors is an integer number (25268642784).

Almost surely, 2^{1195657442812} is an apocalyptic number.

It is an amenable number.

1195657442812 is an abundant number, since it is smaller than the sum of its proper divisors (1230132264452).

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

1195657442812 is a wasteful number, since it uses less digits than its factorization.

1195657442812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939 (or 2937 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 55.

The spelling of 1195657442812 in words is "one trillion, one hundred ninety-five billion, six hundred fifty-seven million, four hundred forty-two thousand, eight hundred twelve".