1200021102313 has 8 divisors (see below), whose sum is σ = 1336967418240. Its totient is φ = 1067717034480.

The previous prime is 1200021102283. The next prime is 1200021102331. The reversal of 1200021102313 is 3132011200021.

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

It is a cyclic number.

It is not a de Polignac number, because 1200021102313 - 2²¹ = 1200019005161 is a prime.

It is a super-2 number, since 2×1200021102313² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200021402313) 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, 1160561478 + ... + 1160562511.

It is an arithmetic number, because the mean of its divisors is an integer number (167120927280).

Almost surely, 2^{1200021102313} is an apocalyptic number.

It is an amenable number.

1200021102313 is a deficient number, since it is larger than the sum of its proper divisors (136946315927).

1200021102313 is a wasteful number, since it uses less digits than its factorization.

1200021102313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321124047.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1200021102313 its reverse (3132011200021), we get a palindrome (4332032302334).

The spelling of 1200021102313 in words is "one trillion, two hundred billion, twenty-one million, one hundred two thousand, three hundred thirteen".