1312120212130 has 128 divisors (see below), whose sum is σ = 3078917775360. Its totient is φ = 390700523520.

The previous prime is 1312120212119. The next prime is 1312120212191. The reversal of 1312120212130 is 312120212131.

It is a junction number, because it is equal to n+sod(n) for n = 1312120212098 and 1312120212107.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49630015 + ... + 49656445.

It is an arithmetic number, because the mean of its divisors is an integer number (24054045120).

Almost surely, 2^{1312120212130} is an apocalyptic number.

1312120212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312120212130 is an abundant number, since it is smaller than the sum of its proper divisors (1766797563230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312120212130 is a wasteful number, since it uses less digits than its factorization.

1312120212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29684.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1312120212130 its reverse (312120212131), we get a palindrome (1624240424261).

Subtracting from 1312120212130 its reverse (312120212131), we obtain a palindrome (999999999999).

The spelling of 1312120212130 in words is "one trillion, three hundred twelve billion, one hundred twenty million, two hundred twelve thousand, one hundred thirty".