12211332342 has 24 divisors (see below), whose sum is σ = 26844748728. Its totient is φ = 3700403520.

The previous prime is 12211332323. The next prime is 12211332347. The reversal of 12211332342 is 24323311221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211332347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8409283 + ... + 8410734.

It is an arithmetic number, because the mean of its divisors is an integer number (1118531197).

Almost surely, 2^12211332342 is an apocalyptic number.

12211332342 is an abundant number, since it is smaller than the sum of its proper divisors (14633416386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211332342 is a wasteful number, since it uses less digits than its factorization.

12211332342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16820044 (or 16820033 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 12211332342 its reverse (24323311221), we get a palindrome (36534643563).

The spelling of 12211332342 in words is "twelve billion, two hundred eleven million, three hundred thirty-two thousand, three hundred forty-two".