12270743782 has 16 divisors (see below), whose sum is σ = 20099860992. Its totient is φ = 5571926920.

The previous prime is 12270743747. The next prime is 12270743783. The reversal of 12270743782 is 28734707221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12270743783) 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, 262078 + ... + 305329.

It is an arithmetic number, because the mean of its divisors is an integer number (1256241312).

Almost surely, 2^12270743782 is an apocalyptic number.

12270743782 is a deficient number, since it is larger than the sum of its proper divisors (7829117210).

12270743782 is a wasteful number, since it uses less digits than its factorization.

12270743782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568403.

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 12270743782 in words is "twelve billion, two hundred seventy million, seven hundred forty-three thousand, seven hundred eighty-two".