120012201021 has 16 divisors (see below), whose sum is σ = 160924105728. Its totient is φ = 79554580800.

The previous prime is 120012201007. The next prime is 120012201031. The reversal of 120012201021 is 120102210021.

It is not a de Polignac number, because 120012201021 - 2¹⁴ = 120012184637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120012200988 and 120012201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012201031) 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, 1306131 + ... + 1394991.

It is an arithmetic number, because the mean of its divisors is an integer number (10057756608).

Almost surely, 2^120012201021 is an apocalyptic number.

It is an amenable number.

120012201021 is a deficient number, since it is larger than the sum of its proper divisors (40911904707).

120012201021 is a wasteful number, since it uses less digits than its factorization.

120012201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91412.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120012201021 its reverse (120102210021), we get a palindrome (240114411042).

The spelling of 120012201021 in words is "one hundred twenty billion, twelve million, two hundred one thousand, twenty-one".