12287018073428 has 12 divisors (see below), whose sum is σ = 24574036146912. Its totient is φ = 5265864888600.

The previous prime is 12287018073409. The next prime is 12287018073509. The reversal of 12287018073428 is 82437081078221.

It is a happy number.

12287018073428 is an admirable number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12287018073428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219411036998 + ... + 219411037053.

It is an arithmetic number, because the mean of its divisors is an integer number (2047836345576).

Almost surely, 2^{12287018073428} is an apocalyptic number.

It is an amenable number.

12287018073428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12287018073428 is a wasteful number, since it uses less digits than its factorization.

12287018073428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438822074062 (or 438822074060 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 53.

The spelling of 12287018073428 in words is "twelve trillion, two hundred eighty-seven billion, eighteen million, seventy-three thousand, four hundred twenty-eight".