1312322129999 has 8 divisors (see below), whose sum is σ = 1370519842272. Its totient is φ = 1254219436800.

The previous prime is 1312322129957. The next prime is 1312322130019. The reversal of 1312322129999 is 9999212232131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312322129999 - 2¹² = 1312322125903 is a prime.

It is a super-2 number, since 2×1312322129999² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312322129999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312322129929) 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, 23726534 + ... + 23781779.

It is an arithmetic number, because the mean of its divisors is an integer number (171314980284).

Almost surely, 2^{1312322129999} is an apocalyptic number.

1312322129999 is a deficient number, since it is larger than the sum of its proper divisors (58197712273).

1312322129999 is a wasteful number, since it uses less digits than its factorization.

1312322129999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47509537.

The product of its digits is 944784, while the sum is 53.

The spelling of 1312322129999 in words is "one trillion, three hundred twelve billion, three hundred twenty-two million, one hundred twenty-nine thousand, nine hundred ninety-nine".