12260542558 has 24 divisors (see below), whose sum is σ = 20499438960. Its totient is φ = 5494473600.

The previous prime is 12260542537. The next prime is 12260542559. The reversal of 12260542558 is 85524506221.

It is a self number, because there is not a number n which added to its sum of digits gives 12260542558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12260542559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339603 + ... + 373966.

It is an arithmetic number, because the mean of its divisors is an integer number (854143290).

Almost surely, 2^12260542558 is an apocalyptic number.

12260542558 is a deficient number, since it is larger than the sum of its proper divisors (8238896402).

12260542558 is a wasteful number, since it uses less digits than its factorization.

12260542558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713664 (or 713653 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 12260542558 in words is "twelve billion, two hundred sixty million, five hundred forty-two thousand, five hundred fifty-eight".