12138436762 has 8 divisors (see below), whose sum is σ = 18228278016. Its totient is φ = 6062344092.

The previous prime is 12138436741. The next prime is 12138436763. The reversal of 12138436762 is 26763483121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12138436763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3434938 + ... + 3438469.

It is an arithmetic number, because the mean of its divisors is an integer number (2278534752).

Almost surely, 2^12138436762 is an apocalyptic number.

12138436762 is a deficient number, since it is larger than the sum of its proper divisors (6089841254).

12138436762 is an equidigital number, since it uses as much as digits as its factorization.

12138436762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874292.

The product of its digits is 290304, while the sum is 43.

It can be divided in two parts, 12138 and 436762, that added together give a square (448900 = 670²).

The spelling of 12138436762 in words is "twelve billion, one hundred thirty-eight million, four hundred thirty-six thousand, seven hundred sixty-two".