122151130242 has 32 divisors (see below), whose sum is σ = 248166305280. Its totient is φ = 40075367040.

The previous prime is 122151130229. The next prime is 122151130247. The reversal of 122151130242 is 242031151221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122151130247) 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, 81309 + ... + 500912.

It is an arithmetic number, because the mean of its divisors is an integer number (7755197040).

Almost surely, 2^122151130242 is an apocalyptic number.

122151130242 is an abundant number, since it is smaller than the sum of its proper divisors (126015175038).

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

122151130242 is a wasteful number, since it uses less digits than its factorization.

122151130242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582778.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 122151130242 its reverse (242031151221), we get a palindrome (364182281463).

The spelling of 122151130242 in words is "one hundred twenty-two billion, one hundred fifty-one million, one hundred thirty thousand, two hundred forty-two".