12055978286 has 32 divisors (see below), whose sum is σ = 19918846080. Its totient is φ = 5427220000.

The previous prime is 12055978283. The next prime is 12055978313. The reversal of 12055978286 is 68287955021.

It is a super-2 number, since 2×12055978286² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055978283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982340 + ... + 994536.

It is an arithmetic number, because the mean of its divisors is an integer number (622463940).

Almost surely, 2^12055978286 is an apocalyptic number.

12055978286 is a deficient number, since it is larger than the sum of its proper divisors (7862867794).

12055978286 is a wasteful number, since it uses less digits than its factorization.

12055978286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 12055978286 in words is "twelve billion, fifty-five million, nine hundred seventy-eight thousand, two hundred eighty-six".