12746474242 has 8 divisors (see below), whose sum is σ = 19480460796. Its totient is φ = 6252987312.

The previous prime is 12746474233. The next prime is 12746474249. The reversal of 12746474242 is 24247464721.

12746474242 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12407509321 + 338964921 = 111389^2 + 18411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12746474249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60124773 + ... + 60124984.

Almost surely, 2^12746474242 is an apocalyptic number.

12746474242 is a deficient number, since it is larger than the sum of its proper divisors (6733986554).

12746474242 is a wasteful number, since it uses less digits than its factorization.

12746474242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120249812.

The product of its digits is 602112, while the sum is 43.

The spelling of 12746474242 in words is "twelve billion, seven hundred forty-six million, four hundred seventy-four thousand, two hundred forty-two".