12345452522 has 16 divisors (see below), whose sum is σ = 20280667680. Its totient is φ = 5601325872.

The previous prime is 12345452519. The next prime is 12345452543. The reversal of 12345452522 is 22525454321.

It is a happy 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, 4022408 + ... + 4025475.

It is an arithmetic number, because the mean of its divisors is an integer number (1267541730).

Almost surely, 2^12345452522 is an apocalyptic number.

12345452522 is a deficient number, since it is larger than the sum of its proper divisors (7935215158).

12345452522 is a wasteful number, since it uses less digits than its factorization.

12345452522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047957.

The product of its digits is 96000, while the sum is 35.

The spelling of 12345452522 in words is "twelve billion, three hundred forty-five million, four hundred fifty-two thousand, five hundred twenty-two".