1312200352 has 48 divisors (see below), whose sum is σ = 2829715560. Its totient is φ = 596205568.

The previous prime is 1312200319. The next prime is 1312200359. The reversal of 1312200352 is 2530022131.

It can be written as a sum of positive squares in 4 ways, for example, as 1255710096 + 56490256 = 35436^2 + 7516^2 .

It is not an unprimeable number, because it can be changed into a prime (1312200359) 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, 25813 + ... + 57364.

Almost surely, 2^1312200352 is an apocalyptic number.

It is an amenable number.

1312200352 is an abundant number, since it is smaller than the sum of its proper divisors (1517515208).

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

1312200352 is a wasteful number, since it uses less digits than its factorization.

1312200352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83233 (or 83225 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1312200352 is about 36224.3060941131. The cubic root of 1312200352 is about 1094.7964570969.

Adding to 1312200352 its reverse (2530022131), we get a palindrome (3842222483).

The spelling of 1312200352 in words is "one billion, three hundred twelve million, two hundred thousand, three hundred fifty-two".