120212120202100 has 72 divisors (see below), whose sum is σ = 269280784371200. Its totient is φ = 46532750140800.

The previous prime is 120212120202071. The next prime is 120212120202143. The reversal of 120212120202100 is 1202021212021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157685641 + ... + 158446159.

Almost surely, 2^{120212120202100} is an apocalyptic number.

120212120202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212120202100 is an abundant number, since it is smaller than the sum of its proper divisors (149068664169100).

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

120212120202100 is a wasteful number, since it uses less digits than its factorization.

120212120202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811553 (or 811546 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120212120202100 its reverse (1202021212021), we get a palindrome (121414141414121).

The spelling of 120212120202100 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred twenty million, two hundred two thousand, one hundred".