122277253530 has 16 divisors (see below), whose sum is σ = 293465408544. Its totient is φ = 32607267600.

The previous prime is 122277253529. The next prime is 122277253531. The reversal of 122277253530 is 35352772221.

It is an interprime number because it is at equal distance from previous prime (122277253529) and next prime (122277253531).

It is not an unprimeable number, because it can be changed into a prime (122277253531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2037954196 + ... + 2037954255.

It is an arithmetic number, because the mean of its divisors is an integer number (18341588034).

Almost surely, 2^122277253530 is an apocalyptic number.

122277253530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122277253530 is an abundant number, since it is smaller than the sum of its proper divisors (171188155014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122277253530 is a wasteful number, since it uses less digits than its factorization.

122277253530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075908461.

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 122277253530 in words is "one hundred twenty-two billion, two hundred seventy-seven million, two hundred fifty-three thousand, five hundred thirty".