120210221011212 has 36 divisors (see below), whose sum is σ = 303866222432136. Its totient is φ = 40069876250880.

The previous prime is 120210221011169. The next prime is 120210221011219. The reversal of 120210221011212 is 212110122012021.

120210221011212 is a `hidden beast` number, since 1 + 20 + 210 + 2 + 210 + 11 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120210221011219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 723714 + ... + 15522377.

Almost surely, 2^{120210221011212} is an apocalyptic number.

120210221011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120210221011212 is an abundant number, since it is smaller than the sum of its proper divisors (183656001420924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120210221011212 is a wasteful number, since it uses less digits than its factorization.

120210221011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16451638 (or 16451633 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120210221011212 its reverse (212110122012021), we get a palindrome (332320343023233).

The spelling of 120210221011212 in words is "one hundred twenty trillion, two hundred ten billion, two hundred twenty-one million, eleven thousand, two hundred twelve".