120012213331121 has 2 divisors, whose sum is σ = 120012213331122. Its totient is φ = 120012213331120.

The previous prime is 120012213331093. The next prime is 120012213331159. The reversal of 120012213331121 is 121133312210021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75613459360000 + 44398753971121 = 8695600^2 + 6663239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120012213331121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (120012213331321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006106665560 + 60006106665561.

It is an arithmetic number, because the mean of its divisors is an integer number (60006106665561).

Almost surely, 2^{120012213331121} is an apocalyptic number.

It is an amenable number.

120012213331121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012213331121 is an equidigital number, since it uses as much as digits as its factorization.

120012213331121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 120012213331121 its reverse (121133312210021), we get a palindrome (241145525541142).

The spelling of 120012213331121 in words is "one hundred twenty trillion, twelve billion, two hundred thirteen million, three hundred thirty-one thousand, one hundred twenty-one".