12265451402236 has 24 divisors (see below), whose sum is σ = 22727531591856. Its totient is φ = 5771882745600.

The previous prime is 12265451402209. The next prime is 12265451402327. The reversal of 12265451402236 is 63220415456221.

It is a super-2 number, since 2×12265451402236² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12265451402192 and 12265451402201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2804911 + ... + 5691961.

It is an arithmetic number, because the mean of its divisors is an integer number (946980482994).

Almost surely, 2^{12265451402236} is an apocalyptic number.

It is an amenable number.

12265451402236 is a deficient number, since it is larger than the sum of its proper divisors (10462080189620).

12265451402236 is a wasteful number, since it uses less digits than its factorization.

12265451402236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949549 (or 2949547 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

Adding to 12265451402236 its reverse (63220415456221), we get a palindrome (75485866858457).

The spelling of 12265451402236 in words is "twelve trillion, two hundred sixty-five billion, four hundred fifty-one million, four hundred two thousand, two hundred thirty-six".