12116028672 has 108 divisors (see below), whose sum is σ = 38109349824. Its totient is φ = 3671516160.

The previous prime is 12116028671. The next prime is 12116028679. The reversal of 12116028672 is 27682061121.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12116028671) 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, 213688 + ... + 264375.

Almost surely, 2^12116028672 is an apocalyptic number.

12116028672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12116028672 is an abundant number, since it is smaller than the sum of its proper divisors (25993321152).

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

12116028672 is a wasteful number, since it uses less digits than its factorization.

12116028672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478096 (or 478079 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

Adding to 12116028672 its reverse (27682061121), we get a palindrome (39798089793).

The spelling of 12116028672 in words is "twelve billion, one hundred sixteen million, twenty-eight thousand, six hundred seventy-two".