1312232110 has 48 divisors (see below), whose sum is σ = 2821998816. Its totient is φ = 430334784.

The previous prime is 1312232099. The next prime is 1312232111. The reversal of 1312232110 is 112322131.

It is a super-2 number, since 2×1312232110² = 3443906221030104200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312232111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19312 + ... + 54748.

It is an arithmetic number, because the mean of its divisors is an integer number (58791642).

Almost surely, 2^1312232110 is an apocalyptic number.

1312232110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312232110 is an abundant number, since it is smaller than the sum of its proper divisors (1509766706).

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

1312232110 is a wasteful number, since it uses less digits than its factorization.

1312232110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35497 (or 35474 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1312232110 is about 36224.7444435430. The cubic root of 1312232110 is about 1094.8052891489.

Adding to 1312232110 its reverse (112322131), we get a palindrome (1424554241).

The spelling of 1312232110 in words is "one billion, three hundred twelve million, two hundred thirty-two thousand, one hundred ten".