120343252113 has 18 divisors (see below), whose sum is σ = 202209410754. Its totient is φ = 68767572384.

The previous prime is 120343252091. The next prime is 120343252129. The reversal of 120343252113 is 311252343021.

120343252113 is a `hidden beast` number, since 1 + 203 + 432 + 5 + 21 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65929292289 + 54413959824 = 256767^2 + 233268^2 .

It is not a de Polignac number, because 120343252113 - 2¹⁰ = 120343251089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120343252213) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 136443156 + ... + 136444037.

It is an arithmetic number, because the mean of its divisors is an integer number (11233856153).

Almost surely, 2^120343252113 is an apocalyptic number.

It is an amenable number.

120343252113 is a deficient number, since it is larger than the sum of its proper divisors (81866158641).

120343252113 is a wasteful number, since it uses less digits than its factorization.

120343252113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272887213 (or 272887203 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 120343252113 its reverse (311252343021), we get a palindrome (431595595134).

The spelling of 120343252113 in words is "one hundred twenty billion, three hundred forty-three million, two hundred fifty-two thousand, one hundred thirteen".