12000394776 has 32 divisors (see below), whose sum is σ = 30010042800. Its totient is φ = 3998924160.

The previous prime is 12000394771. The next prime is 12000394781. The reversal of 12000394776 is 67749300021.

It is an interprime number because it is at equal distance from previous prime (12000394771) and next prime (12000394781).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000394771) 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, 7566 + ... + 155106.

Almost surely, 2^12000394776 is an apocalyptic number.

It is an amenable number.

12000394776 is an abundant number, since it is smaller than the sum of its proper divisors (18009648024).

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

12000394776 is a wasteful number, since it uses less digits than its factorization.

12000394776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150939 (or 150935 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

Adding to 12000394776 its reverse (67749300021), we get a palindrome (79749694797).

The spelling of 12000394776 in words is "twelve billion, three hundred ninety-four thousand, seven hundred seventy-six".