12057775838 has 8 divisors (see below), whose sum is σ = 18393217560. Its totient is φ = 5926703320.

The previous prime is 12057775837. The next prime is 12057775883. The reversal of 12057775838 is 83857775021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12057775838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12057775837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51092153 + ... + 51092388.

It is an arithmetic number, because the mean of its divisors is an integer number (2299152195).

Almost surely, 2^12057775838 is an apocalyptic number.

12057775838 is a deficient number, since it is larger than the sum of its proper divisors (6335441722).

12057775838 is a wasteful number, since it uses less digits than its factorization.

12057775838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102184602.

The product of its (nonzero) digits is 3292800, while the sum is 53.

The spelling of 12057775838 in words is "twelve billion, fifty-seven million, seven hundred seventy-five thousand, eight hundred thirty-eight".