1312424020 has 24 divisors (see below), whose sum is σ = 2759912064. Its totient is φ = 524241696.

The previous prime is 1312424017. The next prime is 1312424033. The reversal of 1312424020 is 204242131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30592 + ... + 59671.

It is an arithmetic number, because the mean of its divisors is an integer number (114996336).

Almost surely, 2^1312424020 is an apocalyptic number.

1312424020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312424020 is an abundant number, since it is smaller than the sum of its proper divisors (1447488044).

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

1312424020 is a wasteful number, since it uses less digits than its factorization.

1312424020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90999 (or 90997 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1312424020 is about 36227.3932266731. The cubic root of 1312424020 is about 1094.8586572078.

Adding to 1312424020 its reverse (204242131), we get a palindrome (1516666151).

The spelling of 1312424020 in words is "one billion, three hundred twelve million, four hundred twenty-four thousand, twenty".