12090554398 has 24 divisors (see below), whose sum is σ = 19645495056. Its totient is φ = 5578185600.

The previous prime is 12090554393. The next prime is 12090554461. The reversal of 12090554398 is 89345509021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12090554393) 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, 1266463 + ... + 1275973.

It is an arithmetic number, because the mean of its divisors is an integer number (818562294).

Almost surely, 2^12090554398 is an apocalyptic number.

12090554398 is a deficient number, since it is larger than the sum of its proper divisors (7554940658).

12090554398 is a wasteful number, since it uses less digits than its factorization.

12090554398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13300 (or 13287 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 12090554398 in words is "twelve billion, ninety million, five hundred fifty-four thousand, three hundred ninety-eight".