12190691678734 has 32 divisors (see below), whose sum is σ = 18513323539200. Its totient is φ = 6019749964800.

The previous prime is 12190691678731. The next prime is 12190691678749. The reversal of 12190691678734 is 43787619609121.

It is a super-2 number, since 2×12190691678734² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12190691678731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558759394 + ... + 558781210.

It is an arithmetic number, because the mean of its divisors is an integer number (578541360600).

Almost surely, 2^{12190691678734} is an apocalyptic number.

12190691678734 is a deficient number, since it is larger than the sum of its proper divisors (6322631860466).

12190691678734 is a wasteful number, since it uses less digits than its factorization.

12190691678734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25468.

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 12190691678734 in words is "twelve trillion, one hundred ninety billion, six hundred ninety-one million, six hundred seventy-eight thousand, seven hundred thirty-four".