12111764120 has 64 divisors (see below), whose sum is σ = 28452600000. Its totient is φ = 4631413248.

The previous prime is 12111764023. The next prime is 12111764141. The reversal of 12111764120 is 2146711121.

It is a self number, because there is not a number n which added to its sum of digits gives 12111764120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2526686 + ... + 2531474.

It is an arithmetic number, because the mean of its divisors is an integer number (444571875).

Almost surely, 2^12111764120 is an apocalyptic number.

12111764120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111764120 is an abundant number, since it is smaller than the sum of its proper divisors (16340835880).

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

12111764120 is a wasteful number, since it uses less digits than its factorization.

12111764120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572 (or 7568 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The spelling of 12111764120 in words is "twelve billion, one hundred eleven million, seven hundred sixty-four thousand, one hundred twenty".