1313022121120 has 48 divisors (see below), whose sum is σ = 3284486224488. Its totient is φ = 494314209280.

The previous prime is 1313022121111. The next prime is 1313022121133. The reversal of 1313022121120 is 211212203131.

It can be written as a sum of positive squares in 4 ways, for example, as 1133994971664 + 179027149456 = 1064892^2 + 423116^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241361641 + ... + 241367080.

Almost surely, 2^{1313022121120} is an apocalyptic number.

1313022121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313022121120 is an abundant number, since it is smaller than the sum of its proper divisors (1971464103368).

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

1313022121120 is a wasteful number, since it uses less digits than its factorization.

1313022121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482728753 (or 482728745 counting only the distinct ones).

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

Adding to 1313022121120 its reverse (211212203131), we get a palindrome (1524234324251).

The spelling of 1313022121120 in words is "one trillion, three hundred thirteen billion, twenty-two million, one hundred twenty-one thousand, one hundred twenty".