12140877418 has 4 divisors (see below), whose sum is σ = 18211316130. Its totient is φ = 6070438708.

The previous prime is 12140877389. The next prime is 12140877457. The reversal of 12140877418 is 81477804121.

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., 7203426129 + 4937451289 = 84873^2 + 70267^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3035219353 + ... + 3035219356.

Almost surely, 2^12140877418 is an apocalyptic number.

12140877418 is a deficient number, since it is larger than the sum of its proper divisors (6070438712).

12140877418 is an equidigital number, since it uses as much as digits as its factorization.

12140877418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070438711.

The product of its (nonzero) digits is 100352, while the sum is 43.

The spelling of 12140877418 in words is "twelve billion, one hundred forty million, eight hundred seventy-seven thousand, four hundred eighteen".