120020111212 has 6 divisors (see below), whose sum is σ = 210035194628. Its totient is φ = 60010055604.

The previous prime is 120020111191. The next prime is 120020111219. The reversal of 120020111212 is 212111020021.

It is a junction number, because it is equal to n+sod(n) for n = 120020111192 and 120020111201.

It is not an unprimeable number, because it can be changed into a prime (120020111219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15002513898 + ... + 15002513905.

Almost surely, 2^120020111212 is an apocalyptic number.

It is an amenable number.

120020111212 is a deficient number, since it is larger than the sum of its proper divisors (90015083416).

120020111212 is a wasteful number, since it uses less digits than its factorization.

120020111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30005027807 (or 30005027805 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120020111212 its reverse (212111020021), we get a palindrome (332131131233).

The spelling of 120020111212 in words is "one hundred twenty billion, twenty million, one hundred eleven thousand, two hundred twelve".