122816031252 has 48 divisors (see below), whose sum is σ = 294358962240. Its totient is φ = 39826397952.

The previous prime is 122816031227. The next prime is 122816031257. The reversal of 122816031252 is 252130618221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122816031257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3850024 + ... + 3881792.

It is an arithmetic number, because the mean of its divisors is an integer number (6132478380).

Almost surely, 2^122816031252 is an apocalyptic number.

122816031252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122816031252 is an abundant number, since it is smaller than the sum of its proper divisors (171542930988).

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

122816031252 is a wasteful number, since it uses less digits than its factorization.

122816031252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40520 (or 40518 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

Adding to 122816031252 its reverse (252130618221), we get a palindrome (374946649473).

The spelling of 122816031252 in words is "one hundred twenty-two billion, eight hundred sixteen million, thirty-one thousand, two hundred fifty-two".