1312110022020 has 48 divisors (see below), whose sum is σ = 4198752071808. Its totient is φ = 299910862080.

The previous prime is 1312110021977. The next prime is 1312110022049. The reversal of 1312110022020 is 202200112131.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1562035321 + ... + 1562036160.

It is an arithmetic number, because the mean of its divisors is an integer number (87474001496).

Almost surely, 2^{1312110022020} is an apocalyptic number.

1312110022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312110022020 is an abundant number, since it is smaller than the sum of its proper divisors (2886642049788).

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

1312110022020 is a wasteful number, since it uses less digits than its factorization.

1312110022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124071500 (or 3124071498 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1312110022020 its reverse (202200112131), we get a palindrome (1514310134151).

The spelling of 1312110022020 in words is "one trillion, three hundred twelve billion, one hundred ten million, twenty-two thousand, twenty".