12315255455622 has 32 divisors (see below), whose sum is σ = 28149423724800. Its totient is φ = 3518610866208.

The previous prime is 12315255455597. The next prime is 12315255455647. The reversal of 12315255455622 is 22655455251321.

It is an interprime number because it is at equal distance from previous prime (12315255455597) and next prime (12315255455647).

It is a super-2 number, since 2×12315255455622² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3240504 + ... + 5927172.

It is an arithmetic number, because the mean of its divisors is an integer number (879669491400).

Almost surely, 2^{12315255455622} is an apocalyptic number.

12315255455622 is an abundant number, since it is smaller than the sum of its proper divisors (15834168269178).

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

12315255455622 is a wasteful number, since it uses less digits than its factorization.

12315255455622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795820.

The product of its digits is 3600000, while the sum is 48.

The spelling of 12315255455622 in words is "twelve trillion, three hundred fifteen billion, two hundred fifty-five million, four hundred fifty-five thousand, six hundred twenty-two".