1312201132 has 12 divisors (see below), whose sum is σ = 2505111336. Its totient is φ = 596455040.

The previous prime is 1312201127. The next prime is 1312201157. The reversal of 1312201132 is 2311022131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14911333 + ... + 14911420.

It is an arithmetic number, because the mean of its divisors is an integer number (208759278).

Almost surely, 2^1312201132 is an apocalyptic number.

It is an amenable number.

1312201132 is a deficient number, since it is larger than the sum of its proper divisors (1192910204).

1312201132 is a wasteful number, since it uses less digits than its factorization.

1312201132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29822768 (or 29822766 counting only the distinct ones).

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

The square root of 1312201132 is about 36224.3168603633. The cubic root of 1312201132 is about 1094.7966740203.

Adding to 1312201132 its reverse (2311022131), we get a palindrome (3623223263).

The spelling of 1312201132 in words is "one billion, three hundred twelve million, two hundred one thousand, one hundred thirty-two".