1312231121192 has 32 divisors (see below), whose sum is σ = 2472120518400. Its totient is φ = 653001554304.

The previous prime is 1312231121143. The next prime is 1312231121209. The reversal of 1312231121192 is 2911211322131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3954359 + ... + 4273337.

It is an arithmetic number, because the mean of its divisors is an integer number (77253766200).

Almost surely, 2^{1312231121192} is an apocalyptic number.

It is an amenable number.

1312231121192 is a deficient number, since it is larger than the sum of its proper divisors (1159889397208).

1312231121192 is a wasteful number, since it uses less digits than its factorization.

1312231121192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321425 (or 321421 counting only the distinct ones).

The product of its digits is 1296, while the sum is 29.

The spelling of 1312231121192 in words is "one trillion, three hundred twelve billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred ninety-two".