1200021310313 has 8 divisors (see below), whose sum is σ = 1371526341120. Its totient is φ = 1028534633280.

The previous prime is 1200021310309. The next prime is 1200021310447. The reversal of 1200021310313 is 3130131200021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200021310313 - 2² = 1200021310309 is a prime.

It is a super-2 number, since 2×1200021310313² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200021310291 and 1200021310300.

It is not an unprimeable number, because it can be changed into a prime (1200021310303) 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, 4448048 + ... + 4710113.

It is an arithmetic number, because the mean of its divisors is an integer number (171440792640).

Almost surely, 2^{1200021310313} is an apocalyptic number.

It is an amenable number.

1200021310313 is a deficient number, since it is larger than the sum of its proper divisors (171505030807).

1200021310313 is an equidigital number, since it uses as much as digits as its factorization.

1200021310313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176887.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1200021310313 its reverse (3130131200021), we get a palindrome (4330152510334).

The spelling of 1200021310313 in words is "one trillion, two hundred billion, twenty-one million, three hundred ten thousand, three hundred thirteen".