12126360436 has 6 divisors (see below), whose sum is σ = 21221130770. Its totient is φ = 6063180216.

The previous prime is 12126360401. The next prime is 12126360487. The reversal of 12126360436 is 63406362121.

12126360436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10980944100 + 1145416336 = 104790^2 + 33844^2 .

It is a super-2 number, since 2×12126360436² (a number of 21 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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515795051 + ... + 1515795058.

Almost surely, 2^12126360436 is an apocalyptic number.

It is an amenable number.

12126360436 is a deficient number, since it is larger than the sum of its proper divisors (9094770334).

12126360436 is a wasteful number, since it uses less digits than its factorization.

12126360436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031590113 (or 3031590111 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 12126360436 in words is "twelve billion, one hundred twenty-six million, three hundred sixty thousand, four hundred thirty-six".