12120818745007 has 32 divisors (see below), whose sum is σ = 14441312793600. Its totient is φ = 9956895176448.

The previous prime is 12120818744899. The next prime is 12120818745011. The reversal of 12120818745007 is 70054781802121.

12120818745007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12120818745007 - 2¹¹ = 12120818742959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120818745017) 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, 5062744 + ... + 7062082.

It is an arithmetic number, because the mean of its divisors is an integer number (451291024800).

Almost surely, 2^{12120818745007} is an apocalyptic number.

12120818745007 is a deficient number, since it is larger than the sum of its proper divisors (2320494048593).

12120818745007 is a wasteful number, since it uses less digits than its factorization.

12120818745007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999735.

The product of its (nonzero) digits is 250880, while the sum is 46.

The spelling of 12120818745007 in words is "twelve trillion, one hundred twenty billion, eight hundred eighteen million, seven hundred forty-five thousand, seven".