12086126923438 has 4 divisors (see below), whose sum is σ = 18129190385160. Its totient is φ = 6043063461718.

The previous prime is 12086126923399. The next prime is 12086126923471. The reversal of 12086126923438 is 83432962168021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12086126923438² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3021531730858 + ... + 3021531730861.

It is an arithmetic number, because the mean of its divisors is an integer number (4532297596290).

Almost surely, 2^{12086126923438} is an apocalyptic number.

12086126923438 is a deficient number, since it is larger than the sum of its proper divisors (6043063461722).

12086126923438 is an equidigital number, since it uses as much as digits as its factorization.

12086126923438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043063461721.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 12086126923438 in words is "twelve trillion, eighty-six billion, one hundred twenty-six million, nine hundred twenty-three thousand, four hundred thirty-eight".