12120122120000 has 140 divisors (see below), whose sum is σ = 31821845827860. Its totient is φ = 4562869248000.

The previous prime is 12120122119997. The next prime is 12120122120011. The reversal of 12120122120000 is 2122102121.

12120122120000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 10 ways, for example, as 9050085488896 + 3070036631104 = 3008336^2 + 1752152^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8231855 + ... + 9591854.

Almost surely, 2^{12120122120000} is an apocalyptic number.

12120122120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120122120000 is an abundant number, since it is smaller than the sum of its proper divisors (19701723707860).

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

12120122120000 is an equidigital number, since it uses as much as digits as its factorization.

12120122120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17823758 (or 17823733 counting only the distinct ones).

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

Adding to 12120122120000 its reverse (2122102121), we get a palindrome (12122244222121).

The spelling of 12120122120000 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twenty thousand".