12108903284 has 12 divisors (see below), whose sum is σ = 21194327364. Its totient is φ = 6053381184.

The previous prime is 12108903241. The next prime is 12108903337. The reversal of 12108903284 is 48230980121.

It can be written as a sum of positive squares in 2 ways, for example, as 7288378384 + 4820524900 = 85372^2 + 69430^2 .

It is a super-4 number, since 4×12108903284⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241889 + ... + 287624.

It is an arithmetic number, because the mean of its divisors is an integer number (1766193947).

Almost surely, 2^12108903284 is an apocalyptic number.

It is an amenable number.

12108903284 is a deficient number, since it is larger than the sum of its proper divisors (9085424080).

12108903284 is a wasteful number, since it uses less digits than its factorization.

12108903284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535234 (or 535232 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 12108903284 in words is "twelve billion, one hundred eight million, nine hundred three thousand, two hundred eighty-four".