12140678042 has 4 divisors (see below), whose sum is σ = 18211017066. Its totient is φ = 6070339020.

The previous prime is 12140678023. The next prime is 12140678101. The reversal of 12140678042 is 24087604121.

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

It can be written as a sum of positive squares in only one way, i.e., 10983249601 + 1157428441 = 104801^2 + 34021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12140677993 and 12140678011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3035169509 + ... + 3035169512.

Almost surely, 2^12140678042 is an apocalyptic number.

12140678042 is a deficient number, since it is larger than the sum of its proper divisors (6070339024).

12140678042 is an equidigital number, since it uses as much as digits as its factorization.

12140678042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070339023.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 12140678042 in words is "twelve billion, one hundred forty million, six hundred seventy-eight thousand, forty-two".