1312322002129 has 8 divisors (see below), whose sum is σ = 1337201553960. Its totient is φ = 1287446848896.

The previous prime is 1312322002111. The next prime is 1312322002139. The reversal of 1312322002129 is 9212002232131.

It can be written as a sum of positive squares in 4 ways, for example, as 1096937833104 + 215384169025 = 1047348^2 + 464095^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312322002129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312322002097 and 1312322002106.

It is not an unprimeable number, because it can be changed into a prime (1312322002139) 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, 494164 + ... + 1693765.

It is an arithmetic number, because the mean of its divisors is an integer number (167150194245).

Almost surely, 2^{1312322002129} is an apocalyptic number.

It is an amenable number.

1312322002129 is a deficient number, since it is larger than the sum of its proper divisors (24879551831).

1312322002129 is a wasteful number, since it uses less digits than its factorization.

1312322002129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199299.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 1312322002129 in words is "one trillion, three hundred twelve billion, three hundred twenty-two million, two thousand, one hundred twenty-nine".