1200321131302 has 64 divisors (see below), whose sum is σ = 1989681408000. Its totient is φ = 541126954368.

The previous prime is 1200321131293. The next prime is 1200321131311. The reversal of 1200321131302 is 2031311230021.

It is an interprime number because it is at equal distance from previous prime (1200321131293) and next prime (1200321131311).

It is a super-2 number, since 2×1200321131302² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200321131302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178908724 + ... + 178915432.

It is an arithmetic number, because the mean of its divisors is an integer number (31088772000).

Almost surely, 2^{1200321131302} is an apocalyptic number.

1200321131302 is a deficient number, since it is larger than the sum of its proper divisors (789360276698).

1200321131302 is a wasteful number, since it uses less digits than its factorization.

1200321131302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9925.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1200321131302 its reverse (2031311230021), we get a palindrome (3231632361323).

The spelling of 1200321131302 in words is "one trillion, two hundred billion, three hundred twenty-one million, one hundred thirty-one thousand, three hundred two".