12345706524 has 24 divisors (see below), whose sum is σ = 28821260160. Its totient is φ = 4113148144.

The previous prime is 12345706523. The next prime is 12345706531. The reversal of 12345706524 is 42560754321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345706523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236184 + ... + 283679.

It is an arithmetic number, because the mean of its divisors is an integer number (1200885840).

Almost surely, 2^12345706524 is an apocalyptic number.

It is an amenable number.

12345706524 is an abundant number, since it is smaller than the sum of its proper divisors (16475553636).

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

12345706524 is a wasteful number, since it uses less digits than its factorization.

12345706524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521849 (or 521847 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 12345706524 in words is "twelve billion, three hundred forty-five million, seven hundred six thousand, five hundred twenty-four".