12281545204 has 48 divisors (see below), whose sum is σ = 23103662400. Its totient is φ = 5694713856.

The previous prime is 12281545201. The next prime is 12281545219. The reversal of 12281545204 is 40254518221.

It is a self number, because there is not a number n which added to its sum of digits gives 12281545204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12281545201) 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, 1877812 + ... + 1884340.

It is an arithmetic number, because the mean of its divisors is an integer number (481326300).

Almost surely, 2^12281545204 is an apocalyptic number.

It is an amenable number.

12281545204 is a deficient number, since it is larger than the sum of its proper divisors (10822117196).

12281545204 is a wasteful number, since it uses less digits than its factorization.

12281545204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072 (or 7070 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The spelling of 12281545204 in words is "twelve billion, two hundred eighty-one million, five hundred forty-five thousand, two hundred four".