1320202312 has 48 divisors (see below), whose sum is σ = 2924149680. Its totient is φ = 553924800.

The previous prime is 1320202307. The next prime is 1320202343. The reversal of 1320202312 is 2132020231.

It is a super-2 number, since 2×1320202312² = 3485868289220290688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29514 + ... + 59257.

It is an arithmetic number, because the mean of its divisors is an integer number (60919785).

Almost surely, 2^1320202312 is an apocalyptic number.

It is an amenable number.

1320202312 is an abundant number, since it is smaller than the sum of its proper divisors (1603947368).

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

1320202312 is a wasteful number, since it uses less digits than its factorization.

1320202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88814 (or 88797 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1320202312 is about 36334.5883697614. The cubic root of 1320202312 is about 1097.0173501581.

Adding to 1320202312 its reverse (2132020231), we get a palindrome (3452222543).

It can be divided in two parts, 132020231 and 2, that multiplied together give a palindrome (264040462).

The spelling of 1320202312 in words is "one billion, three hundred twenty million, two hundred two thousand, three hundred twelve".