1312020132400 has 60 divisors (see below), whose sum is σ = 3152355291904. Its totient is φ = 524770272000.

The previous prime is 1312020132337. The next prime is 1312020132403. The reversal of 1312020132400 is 42310202131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1312020132403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5817745 + ... + 6039055.

Almost surely, 2^{1312020132400} is an apocalyptic number.

1312020132400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312020132400 is an abundant number, since it is smaller than the sum of its proper divisors (1840335159504).

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

1312020132400 is a wasteful number, since it uses less digits than its factorization.

1312020132400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236150 (or 236139 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1312020132400 its reverse (42310202131), we get a palindrome (1354330334531).

The spelling of 1312020132400 in words is "one trillion, three hundred twelve billion, twenty million, one hundred thirty-two thousand, four hundred".