12135289282252 has 24 divisors (see below), whose sum is σ = 22430775452400. Its totient is φ = 5728676158656.

The previous prime is 12135289282231. The next prime is 12135289282307. The reversal of 12135289282252 is 25228298253121.

It is a super-2 number, since 2×12135289282252² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12135289282252.

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, 272460427 + ... + 272504962.

It is an arithmetic number, because the mean of its divisors is an integer number (934615643850).

Almost surely, 2^{12135289282252} is an apocalyptic number.

It is an amenable number.

12135289282252 is a deficient number, since it is larger than the sum of its proper divisors (10295486170148).

12135289282252 is a wasteful number, since it uses less digits than its factorization.

12135289282252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544965705 (or 544965703 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 52.

The spelling of 12135289282252 in words is "twelve trillion, one hundred thirty-five billion, two hundred eighty-nine million, two hundred eighty-two thousand, two hundred fifty-two".