12213040342 has 16 divisors (see below), whose sum is σ = 19560625920. Its totient is φ = 5705180712.

The previous prime is 12213040277. The next prime is 12213040387. The reversal of 12213040342 is 24304031221.

It is a congruent number.

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, 3085242 + ... + 3089197.

It is an arithmetic number, because the mean of its divisors is an integer number (1222539120).

Almost surely, 2^12213040342 is an apocalyptic number.

12213040342 is a deficient number, since it is larger than the sum of its proper divisors (7347585578).

12213040342 is a wasteful number, since it uses less digits than its factorization.

12213040342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174507.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12213040342 its reverse (24304031221), we get a palindrome (36517071563).

The spelling of 12213040342 in words is "twelve billion, two hundred thirteen million, forty thousand, three hundred forty-two".