122551255201 has 4 divisors (see below), whose sum is σ = 124027776432. Its totient is φ = 121074733972.

The previous prime is 122551255193. The next prime is 122551255243. The reversal of 122551255201 is 102552155221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102552155221 = 6317 ⋅16234313.

It is a cyclic number.

It is not a de Polignac number, because 122551255201 - 2³ = 122551255193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122551255261) 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, 738260491 + ... + 738260656.

It is an arithmetic number, because the mean of its divisors is an integer number (31006944108).

Almost surely, 2^122551255201 is an apocalyptic number.

It is an amenable number.

122551255201 is a deficient number, since it is larger than the sum of its proper divisors (1476521231).

122551255201 is an equidigital number, since it uses as much as digits as its factorization.

122551255201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476521230.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 122551255201 in words is "one hundred twenty-two billion, five hundred fifty-one million, two hundred fifty-five thousand, two hundred one".