120212002120 has 128 divisors (see below), whose sum is σ = 335882649600. Its totient is φ = 37786694400.

The previous prime is 120212002109. The next prime is 120212002121. The reversal of 120212002120 is 21200212021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120212002120.

It is not an unprimeable number, because it can be changed into a prime (120212002121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199536 + ... + 529375.

It is an arithmetic number, because the mean of its divisors is an integer number (2624083200).

Almost surely, 2^120212002120 is an apocalyptic number.

120212002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212002120 is an abundant number, since it is smaller than the sum of its proper divisors (215670647480).

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

120212002120 is a wasteful number, since it uses less digits than its factorization.

120212002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728979 (or 728975 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120212002120 its reverse (21200212021), we get a palindrome (141412214141).

The spelling of 120212002120 in words is "one hundred twenty billion, two hundred twelve million, two thousand, one hundred twenty".