120210122220 has 72 divisors (see below), whose sum is σ = 357552373584. Its totient is φ = 30170379264.

The previous prime is 120210122171. The next prime is 120210122261. The reversal of 120210122220 is 22221012021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120210122220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3448927 + ... + 3483606.

Almost surely, 2^120210122220 is an apocalyptic number.

120210122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120210122220 is an abundant number, since it is smaller than the sum of its proper divisors (237342251364).

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

120210122220 is a wasteful number, since it uses less digits than its factorization.

120210122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932579 (or 6932560 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120210122220 its reverse (22221012021), we get a palindrome (142431134241).

The spelling of 120210122220 in words is "one hundred twenty billion, two hundred ten million, one hundred twenty-two thousand, two hundred twenty".