122555305212412 has 12 divisors (see below), whose sum is σ = 214531079636160. Its totient is φ = 61260711030656.

The previous prime is 122555305212371. The next prime is 122555305212413. The reversal of 122555305212412 is 214212503555221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122555305212413) 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, 4235377612 + ... + 4235406547.

It is an arithmetic number, because the mean of its divisors is an integer number (17877589969680).

Almost surely, 2^{122555305212412} is an apocalyptic number.

It is an amenable number.

122555305212412 is a deficient number, since it is larger than the sum of its proper divisors (91975774423748).

122555305212412 is a wasteful number, since it uses less digits than its factorization.

122555305212412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470787780 (or 8470787778 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 122555305212412 its reverse (214212503555221), we get a palindrome (336767808767633).

The spelling of 122555305212412 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred five million, two hundred twelve thousand, four hundred twelve".