12243454554 has 16 divisors (see below), whose sum is σ = 24488282592. Its totient is φ = 4080922608.

The previous prime is 12243454547. The next prime is 12243454571. The reversal of 12243454554 is 45545434221.

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, 86377 + ... + 178739.

It is an arithmetic number, because the mean of its divisors is an integer number (1530517662).

Almost surely, 2^12243454554 is an apocalyptic number.

12243454554 is an abundant number, since it is smaller than the sum of its proper divisors (12244828038).

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

12243454554 is a wasteful number, since it uses less digits than its factorization.

12243454554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114461.

The product of its digits is 384000, while the sum is 39.

Adding to 12243454554 its reverse (45545434221), we get a palindrome (57788888775).

The spelling of 12243454554 in words is "twelve billion, two hundred forty-three million, four hundred fifty-four thousand, five hundred fifty-four".