12206336042 has 4 divisors (see below), whose sum is σ = 18309504066. Its totient is φ = 6103168020.

The previous prime is 12206336029. The next prime is 12206336119. The reversal of 12206336042 is 24063360221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9267720361 + 2938615681 = 96269^2 + 54209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12206335996 and 12206336014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3051584009 + ... + 3051584012.

Almost surely, 2^12206336042 is an apocalyptic number.

12206336042 is a deficient number, since it is larger than the sum of its proper divisors (6103168024).

12206336042 is an equidigital number, since it uses as much as digits as its factorization.

12206336042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103168023.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 12206336042 its reverse (24063360221), we get a palindrome (36269696263).

The spelling of 12206336042 in words is "twelve billion, two hundred six million, three hundred thirty-six thousand, forty-two".