12242297078 has 32 divisors (see below), whose sum is σ = 21468844800. Its totient is φ = 5178872160.

The previous prime is 12242297077. The next prime is 12242297083. The reversal of 12242297078 is 87079224221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242297077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308228 + ... + 345671.

It is an arithmetic number, because the mean of its divisors is an integer number (670901400).

Almost surely, 2^12242297078 is an apocalyptic number.

12242297078 is a deficient number, since it is larger than the sum of its proper divisors (9226547722).

12242297078 is a wasteful number, since it uses less digits than its factorization.

12242297078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653972.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 12242297078 in words is "twelve billion, two hundred forty-two million, two hundred ninety-seven thousand, seventy-eight".