120121132212 has 18 divisors (see below), whose sum is σ = 303639528738. Its totient is φ = 40040377392.

The previous prime is 120121132199. The next prime is 120121132247. The reversal of 120121132212 is 212231121021.

120121132212 is a `hidden beast` number, since 120 + 1 + 211 + 322 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 113194565136 + 6926567076 = 336444^2 + 83226^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1668349023 + ... + 1668349094.

Almost surely, 2^120121132212 is an apocalyptic number.

120121132212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120121132212 is an abundant number, since it is smaller than the sum of its proper divisors (183518396526).

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

120121132212 is a wasteful number, since it uses less digits than its factorization.

120121132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336698127 (or 3336698122 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 120121132212 its reverse (212231121021), we get a palindrome (332352253233).

The spelling of 120121132212 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred thirty-two thousand, two hundred twelve".