12036379428 has 36 divisors (see below), whose sum is σ = 30431419200. Its totient is φ = 4011318576.

The previous prime is 12036379417. The next prime is 12036379451. The reversal of 12036379428 is 82497363021.

12036379428 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 637 + 9 + 4 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163401 + ... + 225327.

It is an arithmetic number, because the mean of its divisors is an integer number (845317200).

Almost surely, 2^12036379428 is an apocalyptic number.

12036379428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12036379428 is an abundant number, since it is smaller than the sum of its proper divisors (18395039772).

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

12036379428 is a wasteful number, since it uses less digits than its factorization.

12036379428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67336 (or 67331 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 12036379428 in words is "twelve billion, thirty-six million, three hundred seventy-nine thousand, four hundred twenty-eight".