1312022120 has 32 divisors (see below), whose sum is σ = 3080401920. Its totient is φ = 501990720.

The previous prime is 1312022119. The next prime is 1312022161. The reversal of 1312022120 is 212202131.

It is a happy number.

1312022120 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1312022095 and 1312022104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712136 + ... + 713975.

It is an arithmetic number, because the mean of its divisors is an integer number (96262560).

Almost surely, 2^1312022120 is an apocalyptic number.

1312022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312022120 is an abundant number, since it is smaller than the sum of its proper divisors (1768379800).

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

1312022120 is a wasteful number, since it uses less digits than its factorization.

1312022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426145 (or 1426141 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1312022120 is about 36221.8458944323. The cubic root of 1312022120 is about 1094.7468872790.

Adding to 1312022120 its reverse (212202131), we get a palindrome (1524224251).

The spelling of 1312022120 in words is "one billion, three hundred twelve million, twenty-two thousand, one hundred twenty".