1428012113884 has 12 divisors (see below), whose sum is σ = 2499402019464. Its totient is φ = 713897251184.

The previous prime is 1428012113863. The next prime is 1428012113903. The reversal of 1428012113884 is 4883112108241.

It is a self number, because there is not a number n which added to its sum of digits gives 1428012113884.

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, 27171907 + ... + 27224410.

It is an arithmetic number, because the mean of its divisors is an integer number (208283501622).

Almost surely, 2^{1428012113884} is an apocalyptic number.

It is an amenable number.

1428012113884 is a deficient number, since it is larger than the sum of its proper divisors (1071389905580).

1428012113884 is a wasteful number, since it uses less digits than its factorization.

1428012113884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54402884 (or 54402882 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 43.

The spelling of 1428012113884 in words is "one trillion, four hundred twenty-eight billion, twelve million, one hundred thirteen thousand, eight hundred eighty-four".