12206575542 has 32 divisors (see below), whose sum is σ = 28862841600. Its totient is φ = 3367330848.

The previous prime is 12206575519. The next prime is 12206575547. The reversal of 12206575542 is 24557560221.

It is a self number, because there is not a number n which added to its sum of digits gives 12206575542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206575547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5009692 + ... + 5012127.

It is an arithmetic number, because the mean of its divisors is an integer number (901963800).

Almost surely, 2^12206575542 is an apocalyptic number.

12206575542 is an abundant number, since it is smaller than the sum of its proper divisors (16656266058).

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

12206575542 is a wasteful number, since it uses less digits than its factorization.

12206575542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021860.

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 12206575542 in words is "twelve billion, two hundred six million, five hundred seventy-five thousand, five hundred forty-two".