1312230110020 has 24 divisors (see below), whose sum is σ = 2764008571968. Its totient is φ = 523306264800.

The previous prime is 1312230110017. The next prime is 1312230110069. The reversal of 1312230110020 is 200110322131.

It is a junction number, because it is equal to n+sod(n) for n = 1312230109976 and 1312230110003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99104416 + ... + 99117655.

It is an arithmetic number, because the mean of its divisors is an integer number (115167023832).

Almost surely, 2^{1312230110020} is an apocalyptic number.

1312230110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312230110020 is an abundant number, since it is smaller than the sum of its proper divisors (1451778461948).

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

1312230110020 is a wasteful number, since it uses less digits than its factorization.

1312230110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198222411 (or 198222409 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1312230110020 its reverse (200110322131), we get a palindrome (1512340432151).

The spelling of 1312230110020 in words is "one trillion, three hundred twelve billion, two hundred thirty million, one hundred ten thousand, twenty".