122251120315 has 8 divisors (see below), whose sum is σ = 148767560928. Its totient is φ = 96423418560.

The previous prime is 122251120297. The next prime is 122251120331. The reversal of 122251120315 is 513021152221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122251120315 - 2²¹ = 122249023163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122251120315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172184322 + ... + 172185031.

It is an arithmetic number, because the mean of its divisors is an integer number (18595945116).

Almost surely, 2^122251120315 is an apocalyptic number.

122251120315 is a deficient number, since it is larger than the sum of its proper divisors (26516440613).

122251120315 is an equidigital number, since it uses as much as digits as its factorization.

122251120315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344369429.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 122251120315 its reverse (513021152221), we get a palindrome (635272272536).

The spelling of 122251120315 in words is "one hundred twenty-two billion, two hundred fifty-one million, one hundred twenty thousand, three hundred fifteen".