120021333213 has 16 divisors (see below), whose sum is σ = 160339222656. Its totient is φ = 79858933440.

The previous prime is 120021333161. The next prime is 120021333217. The reversal of 120021333213 is 312333120021.

It is not a de Polignac number, because 120021333213 - 2⁸ = 120021332957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120021333213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021333217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5542395 + ... + 5564007.

It is an arithmetic number, because the mean of its divisors is an integer number (10021201416).

Almost surely, 2^120021333213 is an apocalyptic number.

It is an amenable number.

120021333213 is a deficient number, since it is larger than the sum of its proper divisors (40317889443).

120021333213 is a wasteful number, since it uses less digits than its factorization.

120021333213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25124.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 120021333213 its reverse (312333120021), we get a palindrome (432354453234).

The spelling of 120021333213 in words is "one hundred twenty billion, twenty-one million, three hundred thirty-three thousand, two hundred thirteen".