1312244232 has 32 divisors (see below), whose sum is σ = 3532966080. Its totient is φ = 403767360.

The previous prime is 1312244207. The next prime is 1312244233. The reversal of 1312244232 is 2324422131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is not an unprimeable number, because it can be changed into a prime (1312244233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102644 + ... + 2103267.

It is an arithmetic number, because the mean of its divisors is an integer number (110405190).

Almost surely, 2^1312244232 is an apocalyptic number.

1312244232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312244232 is an abundant number, since it is smaller than the sum of its proper divisors (2220721848).

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

1312244232 is a wasteful number, since it uses less digits than its factorization.

1312244232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205933 (or 4205929 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 1312244232 is about 36224.9117597269. The cubic root of 1312244232 is about 1094.8086602977.

Adding to 1312244232 its reverse (2324422131), we get a palindrome (3636666363).

The spelling of 1312244232 in words is "one billion, three hundred twelve million, two hundred forty-four thousand, two hundred thirty-two".