120102212120 has 64 divisors (see below), whose sum is σ = 296500551840. Its totient is φ = 43421056000.

The previous prime is 120102212039. The next prime is 120102212123. The reversal of 120102212120 is 21212201021.

It is a super-2 number, since 2×120102212120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120102212095 and 120102212104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102212123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712781 + ... + 865020.

Almost surely, 2^120102212120 is an apocalyptic number.

120102212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102212120 is an abundant number, since it is smaller than the sum of its proper divisors (176398339720).

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

120102212120 is a wasteful number, since it uses less digits than its factorization.

120102212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577996 (or 1577992 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120102212120 its reverse (21212201021), we get a palindrome (141314413141).

The spelling of 120102212120 in words is "one hundred twenty billion, one hundred two million, two hundred twelve thousand, one hundred twenty".