1312120140332 has 24 divisors (see below), whose sum is σ = 2376465045360. Its totient is φ = 633460055040.

The previous prime is 1312120140329. The next prime is 1312120140337. The reversal of 1312120140332 is 2330410212131.

It is a junction number, because it is equal to n+sod(n) for n = 1312120140298 and 1312120140307.

It is not an unprimeable number, because it can be changed into a prime (1312120140337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41224982 + ... + 41256797.

It is an arithmetic number, because the mean of its divisors is an integer number (99019376890).

Almost surely, 2^{1312120140332} is an apocalyptic number.

It is an amenable number.

1312120140332 is a deficient number, since it is larger than the sum of its proper divisors (1064344905028).

1312120140332 is a wasteful number, since it uses less digits than its factorization.

1312120140332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82481921 (or 82481919 counting only the distinct ones).

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

Adding to 1312120140332 its reverse (2330410212131), we get a palindrome (3642530352463).

The spelling of 1312120140332 in words is "one trillion, three hundred twelve billion, one hundred twenty million, one hundred forty thousand, three hundred thirty-two".