12140170807782 has 16 divisors (see below), whose sum is σ = 24328043668080. Its totient is φ = 4038773260512.

The previous prime is 12140170807781. The next prime is 12140170807783. The reversal of 12140170807782 is 28770807104121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12140170807781) and next prime (12140170807783).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140170807781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1987582213 + ... + 1987588320.

It is an arithmetic number, because the mean of its divisors is an integer number (1520502729255).

Almost surely, 2^{12140170807782} is an apocalyptic number.

12140170807782 is an abundant number, since it is smaller than the sum of its proper divisors (12187872860298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12140170807782 is a wasteful number, since it uses less digits than its factorization.

12140170807782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975171047.

The product of its (nonzero) digits is 351232, while the sum is 48.

The spelling of 12140170807782 in words is "twelve trillion, one hundred forty billion, one hundred seventy million, eight hundred seven thousand, seven hundred eighty-two".