120021012203 has 4 divisors (see below), whose sum is σ = 120062160480. Its totient is φ = 119979863928.

The previous prime is 120021012149. The next prime is 120021012227. The reversal of 120021012203 is 302210120021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120021012203 - 2²⁶ = 119953903339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120021012103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20569763 + ... + 20575596.

It is an arithmetic number, because the mean of its divisors is an integer number (30015540120).

Almost surely, 2^120021012203 is an apocalyptic number.

120021012203 is a deficient number, since it is larger than the sum of its proper divisors (41148277).

120021012203 is an equidigital number, since it uses as much as digits as its factorization.

120021012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41148276.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 120021012203 its reverse (302210120021), we get a palindrome (422231132224).

The spelling of 120021012203 in words is "one hundred twenty billion, twenty-one million, twelve thousand, two hundred three".