12126140536 has 16 divisors (see below), whose sum is σ = 23351014440. Its totient is φ = 5899203360.

The previous prime is 12126140501. The next prime is 12126140603. The reversal of 12126140536 is 63504162121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12126140498 and 12126140507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20483050 + ... + 20483641.

Almost surely, 2^12126140536 is an apocalyptic number.

It is an amenable number.

12126140536 is a deficient number, since it is larger than the sum of its proper divisors (11224873904).

12126140536 is a wasteful number, since it uses less digits than its factorization.

12126140536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40966734 (or 40966730 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 12126140536 in words is "twelve billion, one hundred twenty-six million, one hundred forty thousand, five hundred thirty-six".