12288690291228 has 48 divisors (see below), whose sum is σ = 31402650572160. Its totient is φ = 3717048429504.

The previous prime is 12288690291173. The next prime is 12288690291307. The reversal of 12288690291228 is 82219209688221.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

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, 667564150 + ... + 667582557.

It is an arithmetic number, because the mean of its divisors is an integer number (654221886920).

Almost surely, 2^{12288690291228} is an apocalyptic number.

It is an amenable number.

12288690291228 is an abundant number, since it is smaller than the sum of its proper divisors (19113960280932).

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

12288690291228 is a wasteful number, since it uses less digits than its factorization.

12288690291228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335146786 (or 1335146784 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 60.

The spelling of 12288690291228 in words is "twelve trillion, two hundred eighty-eight billion, six hundred ninety million, two hundred ninety-one thousand, two hundred twenty-eight".