1312322002130 has 32 divisors (see below), whose sum is σ = 2501195162544. Its totient is φ = 494038030336.

The previous prime is 1312322002111. The next prime is 1312322002139. The reversal of 1312322002130 is 312002232131.

It can be written as a sum of positive squares in 8 ways, for example, as 1285327840729 + 26994161401 = 1133723^2 + 164299^2 .

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 15 ways as a sum of consecutive naturals, for example, 9107324 + ... + 9250296.

Almost surely, 2^{1312322002130} is an apocalyptic number.

1312322002130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312322002130 is a deficient number, since it is larger than the sum of its proper divisors (1188873160414).

1312322002130 is a wasteful number, since it uses less digits than its factorization.

1312322002130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196990.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1312322002130 its reverse (312002232131), we get a palindrome (1624324234261).

The spelling of 1312322002130 in words is "one trillion, three hundred twelve billion, three hundred twenty-two million, two thousand, one hundred thirty".