12078273936 has 40 divisors (see below), whose sum is σ = 31523892064. Its totient is φ = 3984583680.

The previous prime is 12078273859. The next prime is 12078273937. The reversal of 12078273936 is 63937287021.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (12078273937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1292410 + ... + 1301721.

Almost surely, 2^12078273936 is an apocalyptic number.

12078273936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12078273936 is an abundant number, since it is smaller than the sum of its proper divisors (19445618128).

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

12078273936 is a wasteful number, since it uses less digits than its factorization.

12078273936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594239 (or 2594233 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 12078273936 in words is "twelve billion, seventy-eight million, two hundred seventy-three thousand, nine hundred thirty-six".