12122110202120 has 32 divisors (see below), whose sum is σ = 27302104863000. Its totient is φ = 4843980630528.

The previous prime is 12122110202107. The next prime is 12122110202129. The reversal of 12122110202120 is 2120201122121.

It can be written as a sum of positive squares in 4 ways, for example, as 12035251502596 + 86858699524 = 3469186^2 + 294718^2 .

It is not an unprimeable number, because it can be changed into a prime (12122110202129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151942445 + ... + 152022204.

Almost surely, 2^{12122110202120} is an apocalyptic number.

12122110202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122110202120 is an abundant number, since it is smaller than the sum of its proper divisors (15179994660880).

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

12122110202120 is a wasteful number, since it uses less digits than its factorization.

12122110202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303965657 (or 303965653 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122110202120 its reverse (2120201122121), we get a palindrome (14242311324241).

The spelling of 12122110202120 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, two hundred two thousand, one hundred twenty".