12401161355122 has 8 divisors (see below), whose sum is σ = 18603607272876. Its totient is φ = 6199958930832.

The previous prime is 12401161355111. The next prime is 12401161355123. The reversal of 12401161355122 is 22155316110421.

It can be written as a sum of positive squares in 2 ways, for example, as 12268199754801 + 132961600321 = 3502599^2 + 364639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12401161355123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310848433 + ... + 310888324.

Almost surely, 2^{12401161355122} is an apocalyptic number.

12401161355122 is a deficient number, since it is larger than the sum of its proper divisors (6202445917754).

12401161355122 is an equidigital number, since it uses as much as digits as its factorization.

12401161355122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621746732.

The product of its (nonzero) digits is 14400, while the sum is 34.

Adding to 12401161355122 its reverse (22155316110421), we get a palindrome (34556477465543).

The spelling of 12401161355122 in words is "twelve trillion, four hundred one billion, one hundred sixty-one million, three hundred fifty-five thousand, one hundred twenty-two".