1312132202 has 8 divisors (see below), whose sum is σ = 2036067300. Its totient is φ = 633443104.

The previous prime is 1312132177. The next prime is 1312132207. The reversal of 1312132202 is 2022312131.

It can be written as a sum of positive squares in 2 ways, for example, as 1211109601 + 101022601 = 34801^2 + 10051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1312132207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11311427 + ... + 11311542.

Almost surely, 2^1312132202 is an apocalyptic number.

1312132202 is a deficient number, since it is larger than the sum of its proper divisors (723935098).

1312132202 is a wasteful number, since it uses less digits than its factorization.

1312132202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22623000.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1312132202 is about 36223.3654151571. The cubic root of 1312132202 is about 1094.7775037742. Note that the first 3 decimals are identical.

Adding to 1312132202 its reverse (2022312131), we get a palindrome (3334444333).

The spelling of 1312132202 in words is "one billion, three hundred twelve million, one hundred thirty-two thousand, two hundred two".