12136017888 has 96 divisors (see below), whose sum is σ = 36538629120. Its totient is φ = 3914835840.

The previous prime is 12136017869. The next prime is 12136017937. The reversal of 12136017888 is 88871063121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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, 199770 + ... + 253337.

It is an arithmetic number, because the mean of its divisors is an integer number (380610720).

Almost surely, 2^12136017888 is an apocalyptic number.

12136017888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12136017888 is an abundant number, since it is smaller than the sum of its proper divisors (24402611232).

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

12136017888 is a wasteful number, since it uses less digits than its factorization.

12136017888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453157 (or 453143 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 12136017888 in words is "twelve billion, one hundred thirty-six million, seventeen thousand, eight hundred eighty-eight".