1312722981382 has 32 divisors (see below), whose sum is σ = 2063283351552. Its totient is φ = 625205633184.

The previous prime is 1312722981379. The next prime is 1312722981397. The reversal of 1312722981382 is 2831892272131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11025823 + ... + 11144245.

It is an arithmetic number, because the mean of its divisors is an integer number (64477604736).

Almost surely, 2^{1312722981382} is an apocalyptic number.

1312722981382 is a deficient number, since it is larger than the sum of its proper divisors (750560370170).

1312722981382 is a wasteful number, since it uses less digits than its factorization.

1312722981382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119452.

The product of its digits is 580608, while the sum is 49.

The spelling of 1312722981382 in words is "one trillion, three hundred twelve billion, seven hundred twenty-two million, nine hundred eighty-one thousand, three hundred eighty-two".