12120122121160 has 128 divisors (see below), whose sum is σ = 27686910412800. Its totient is φ = 4774676336640.

The previous prime is 12120122121091. The next prime is 12120122121161. The reversal of 12120122121160 is 6112122102121.

It is not an unprimeable number, because it can be changed into a prime (12120122121161) 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, 396676444 + ... + 396706996.

It is an arithmetic number, because the mean of its divisors is an integer number (216303987600).

Almost surely, 2^{12120122121160} is an apocalyptic number.

12120122121160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120122121160 is an abundant number, since it is smaller than the sum of its proper divisors (15566788291640).

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

12120122121160 is a wasteful number, since it uses less digits than its factorization.

12120122121160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31271 (or 31267 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 12120122121160 its reverse (6112122102121), we get a palindrome (18232244223281).

The spelling of 12120122121160 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred sixty".