12055213023512 has 32 divisors (see below), whose sum is σ = 22629134656800. Its totient is φ = 6020779302144.

The previous prime is 12055213023421. The next prime is 12055213023641. The reversal of 12055213023512 is 21532031255021.

It is a super-2 number, since 2×12055213023512² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45014228 + ... + 45281244.

It is an arithmetic number, because the mean of its divisors is an integer number (707160458025).

Almost surely, 2^{12055213023512} is an apocalyptic number.

It is an amenable number.

12055213023512 is a deficient number, since it is larger than the sum of its proper divisors (10573921633288).

12055213023512 is a wasteful number, since it uses less digits than its factorization.

12055213023512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273395 (or 273391 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 12055213023512 its reverse (21532031255021), we get a palindrome (33587244278533).

The spelling of 12055213023512 in words is "twelve trillion, fifty-five billion, two hundred thirteen million, twenty-three thousand, five hundred twelve".