122421515042345 has 8 divisors (see below), whose sum is σ = 146907267677376. Its totient is φ = 97936245616176.

The previous prime is 122421515042303. The next prime is 122421515042363. The reversal of 122421515042345 is 543240515124221.

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

It is a cyclic number.

It is not a de Polignac number, because 122421515042345 - 2¹⁴ = 122421515025961 is a prime.

It is a Duffinian number.

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, 120244607 + ... + 121258436.

It is an arithmetic number, because the mean of its divisors is an integer number (18363408459672).

Almost surely, 2^{122421515042345} is an apocalyptic number.

It is an amenable number.

122421515042345 is a deficient number, since it is larger than the sum of its proper divisors (24485752635031).

122421515042345 is a wasteful number, since it uses less digits than its factorization.

122421515042345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241604431.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 122421515042345 in words is "one hundred twenty-two trillion, four hundred twenty-one billion, five hundred fifteen million, forty-two thousand, three hundred forty-five".