122345202220425 has 18 divisors (see below), whose sum is σ = 219133851088542. Its totient is φ = 65250774517440.

The previous prime is 122345202220421. The next prime is 122345202220471. The reversal of 122345202220425 is 524022202543221.

122345202220425 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 4 + 5 + 2 + 0 + 2 + 220 + 425 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 23896816302969 + 98448385917456 = 4888437^2 + 9922116^2 .

It is not a de Polignac number, because 122345202220425 - 2² = 122345202220421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122345202220425.

It is not an unprimeable number, because it can be changed into a prime (122345202220421) 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, 271878226932 + ... + 271878227381.

Almost surely, 2^{122345202220425} is an apocalyptic number.

122345202220425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122345202220425 is a deficient number, since it is larger than the sum of its proper divisors (96788648868117).

122345202220425 is a wasteful number, since it uses less digits than its factorization.

122345202220425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543756454329 (or 543756454321 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 122345202220425 its reverse (524022202543221), we get a palindrome (646367404763646).

The spelling of 122345202220425 in words is "one hundred twenty-two trillion, three hundred forty-five billion, two hundred two million, two hundred twenty thousand, four hundred twenty-five".