12136023534254 has 32 divisors (see below), whose sum is σ = 18762426964800. Its totient is φ = 5884731424000.

The previous prime is 12136023534223. The next prime is 12136023534301. The reversal of 12136023534254 is 45243532063121.

It is a super-2 number, since 2×12136023534254² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5466674 + ... + 7359114.

It is an arithmetic number, because the mean of its divisors is an integer number (586325842650).

Almost surely, 2^{12136023534254} is an apocalyptic number.

12136023534254 is a deficient number, since it is larger than the sum of its proper divisors (6626403430546).

12136023534254 is a wasteful number, since it uses less digits than its factorization.

12136023534254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893196.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 12136023534254 its reverse (45243532063121), we get a palindrome (57379555597375).

The spelling of 12136023534254 in words is "twelve trillion, one hundred thirty-six billion, twenty-three million, five hundred thirty-four thousand, two hundred fifty-four".