1312401330200 has 96 divisors (see below), whose sum is σ = 3203067490560. Its totient is φ = 499129065600.

The previous prime is 1312401330187. The next prime is 1312401330209. The reversal of 1312401330200 is 20331042131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312401330209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86006 + ... + 1622405.

It is an arithmetic number, because the mean of its divisors is an integer number (33365286360).

Almost surely, 2^{1312401330200} is an apocalyptic number.

1312401330200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312401330200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1601533745280).

1312401330200 is an abundant number, since it is smaller than the sum of its proper divisors (1890666160360).

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

1312401330200 is a wasteful number, since it uses less digits than its factorization.

1312401330200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708617 (or 1708608 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1312401330200 its reverse (20331042131), we get a palindrome (1332732372331).

The spelling of 1312401330200 in words is "one trillion, three hundred twelve billion, four hundred one million, three hundred thirty thousand, two hundred".