12201345242 has 16 divisors (see below), whose sum is σ = 18903535872. Its totient is φ = 5900398560.

The previous prime is 12201345203. The next prime is 12201345251. The reversal of 12201345242 is 24254310221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49718 + ... + 163934.

It is an arithmetic number, because the mean of its divisors is an integer number (1181470992).

Almost surely, 2^12201345242 is an apocalyptic number.

12201345242 is a deficient number, since it is larger than the sum of its proper divisors (6702190630).

12201345242 is a wasteful number, since it uses less digits than its factorization.

12201345242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115973.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 12201345242 its reverse (24254310221), we get a palindrome (36455655463).

The spelling of 12201345242 in words is "twelve billion, two hundred one million, three hundred forty-five thousand, two hundred forty-two".