1313222412 has 48 divisors (see below), whose sum is σ = 3105496800. Its totient is φ = 431861760.

The previous prime is 1313222371. The next prime is 1313222423. The reversal of 1313222412 is 2142223131.

It is a nude number because it is divisible by every one of its digits.

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, 606612 + ... + 608772.

It is an arithmetic number, because the mean of its divisors is an integer number (64697850).

Almost surely, 2^1313222412 is an apocalyptic number.

1313222412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313222412 is an abundant number, since it is smaller than the sum of its proper divisors (1792274388).

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

1313222412 is a wasteful number, since it uses less digits than its factorization.

1313222412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826 (or 2824 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 1313222412 is about 36238.4107267413. The cubic root of 1313222412 is about 1095.0806254097.

Adding to 1313222412 its reverse (2142223131), we get a palindrome (3455445543).

The spelling of 1313222412 in words is "one billion, three hundred thirteen million, two hundred twenty-two thousand, four hundred twelve".