1312232132012 has 24 divisors (see below), whose sum is σ = 2346731352000. Its totient is φ = 641754905600.

The previous prime is 1312232131997. The next prime is 1312232132023. The reversal of 1312232132012 is 2102312322131.

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, 1878887 + ... + 2480862.

It is an arithmetic number, because the mean of its divisors is an integer number (97780473000).

Almost surely, 2^{1312232132012} is an apocalyptic number.

It is an amenable number.

1312232132012 is a deficient number, since it is larger than the sum of its proper divisors (1034499219988).

1312232132012 is a wasteful number, since it uses less digits than its factorization.

1312232132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361401 (or 4361399 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1312232132012 its reverse (2102312322131), we get a palindrome (3414544454143).

The spelling of 1312232132012 in words is "one trillion, three hundred twelve billion, two hundred thirty-two million, one hundred thirty-two thousand, twelve".