120212122212 has 144 divisors (see below), whose sum is σ = 384101582592. Its totient is φ = 30847392000.

The previous prime is 120212122187. The next prime is 120212122229. The reversal of 120212122212 is 212221212021.

It is a happy number.

120212122212 is a `hidden beast` number, since 120 + 212 + 122 + 212 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 374664 + ... + 617087.

Almost surely, 2^120212122212 is an apocalyptic number.

120212122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120212122212 is an abundant number, since it is smaller than the sum of its proper divisors (263889460380).

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

120212122212 is a wasteful number, since it uses less digits than its factorization.

120212122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991818 (or 991813 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120212122212 its reverse (212221212021), we get a palindrome (332433334233).

The spelling of 120212122212 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twelve".