12236127838 has 8 divisors (see below), whose sum is σ = 20022754680. Its totient is φ = 5561876280.

The previous prime is 12236127833. The next prime is 12236127853. The reversal of 12236127838 is 83872163221.

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

It is a super-3 number, since 3×12236127838³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12236127794 and 12236127803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12236127833) 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, 278093793 + ... + 278093836.

It is an arithmetic number, because the mean of its divisors is an integer number (2502844335).

Almost surely, 2^12236127838 is an apocalyptic number.

12236127838 is a deficient number, since it is larger than the sum of its proper divisors (7786626842).

12236127838 is a wasteful number, since it uses less digits than its factorization.

12236127838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556187642.

The product of its digits is 193536, while the sum is 43.

The spelling of 12236127838 in words is "twelve billion, two hundred thirty-six million, one hundred twenty-seven thousand, eight hundred thirty-eight".