1312100212330 has 32 divisors (see below), whose sum is σ = 2373815231424. Its totient is φ = 522171449856.

The previous prime is 1312100212279. The next prime is 1312100212363. The reversal of 1312100212330 is 332120012131.

It is a junction number, because it is equal to n+sod(n) for n = 1312100212298 and 1312100212307.

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, 1459162 + ... + 2180218.

It is an arithmetic number, because the mean of its divisors is an integer number (74181725982).

Almost surely, 2^{1312100212330} is an apocalyptic number.

1312100212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312100212330 is a deficient number, since it is larger than the sum of its proper divisors (1061715019094).

1312100212330 is a wasteful number, since it uses less digits than its factorization.

1312100212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721990.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1312100212330 its reverse (332120012131), we get a palindrome (1644220224461).

The spelling of 1312100212330 in words is "one trillion, three hundred twelve billion, one hundred million, two hundred twelve thousand, three hundred thirty".