120203312013 has 32 divisors (see below), whose sum is σ = 178517836800. Its totient is φ = 79938329328.

The previous prime is 120203311981. The next prime is 120203312029. The reversal of 120203312013 is 310213302021.

It is not a de Polignac number, because 120203312013 - 2⁵ = 120203311981 is a prime.

It is a super-2 number, since 2×120203312013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120203312063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20569270 + ... + 20575112.

It is an arithmetic number, because the mean of its divisors is an integer number (5578682400).

Almost surely, 2^120203312013 is an apocalyptic number.

It is an amenable number.

120203312013 is a deficient number, since it is larger than the sum of its proper divisors (58314524787).

120203312013 is an equidigital number, since it uses as much as digits as its factorization.

120203312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598 (or 7592 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 120203312013 its reverse (310213302021), we get a palindrome (430416614034).

The spelling of 120203312013 in words is "one hundred twenty billion, two hundred three million, three hundred twelve thousand, thirteen".