120221120011212 has 36 divisors (see below), whose sum is σ = 331518846092616. Its totient is φ = 36430642427520.

The previous prime is 120221120011211. The next prime is 120221120011219. The reversal of 120221120011212 is 212110021122021.

120221120011212 is a `hidden beast` number, since 1 + 20 + 221 + 1 + 200 + 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 (120221120011211) 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, 151794343053 + ... + 151794343844.

It is an arithmetic number, because the mean of its divisors is an integer number (9208856835906).

Almost surely, 2^{120221120011212} is an apocalyptic number.

120221120011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120221120011212 is an abundant number, since it is smaller than the sum of its proper divisors (211297726081404).

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

120221120011212 is a wasteful number, since it uses less digits than its factorization.

120221120011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303588686918 (or 303588686913 counting only the distinct ones).

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

Adding to 120221120011212 its reverse (212110021122021), we get a palindrome (332331141133233).

The spelling of 120221120011212 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred twenty million, eleven thousand, two hundred twelve".