1312401022 has 64 divisors (see below), whose sum is σ = 2262712320. Its totient is φ = 567683424.

The previous prime is 1312401017. The next prime is 1312401023. The reversal of 1312401022 is 2201042131.

It is a junction number, because it is equal to n+sod(n) for n = 1312400987 and 1312401005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312401023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1765983 + ... + 1766725.

It is an arithmetic number, because the mean of its divisors is an integer number (35354880).

Almost surely, 2^1312401022 is an apocalyptic number.

1312401022 is a deficient number, since it is larger than the sum of its proper divisors (950311298).

1312401022 is a wasteful number, since it uses less digits than its factorization.

1312401022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1312401022 is about 36227.0758135403. The cubic root of 1312401022 is about 1094.8522619915.

Adding to 1312401022 its reverse (2201042131), we get a palindrome (3513443153).

The spelling of 1312401022 in words is "one billion, three hundred twelve million, four hundred one thousand, twenty-two".