12545622342 has 48 divisors (see below), whose sum is σ = 29741439312. Its totient is φ = 3790402560.

The previous prime is 12545622317. The next prime is 12545622359. The reversal of 12545622342 is 24322654521.

12545622342 is a `hidden beast` number, since 1 + 2 + 54 + 562 + 2 + 3 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12545622297 and 12545622306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27283 + ... + 160734.

It is an arithmetic number, because the mean of its divisors is an integer number (619613319).

Almost surely, 2^12545622342 is an apocalyptic number.

12545622342 is an abundant number, since it is smaller than the sum of its proper divisors (17195816970).

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

12545622342 is a wasteful number, since it uses less digits than its factorization.

12545622342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188373 (or 188370 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 12545622342 in words is "twelve billion, five hundred forty-five million, six hundred twenty-two thousand, three hundred forty-two".