12230351342 has 32 divisors (see below), whose sum is σ = 20311106400. Its totient is φ = 5476979200.

The previous prime is 12230351311. The next prime is 12230351389. The reversal of 12230351342 is 24315303221.

It is a happy number.

It is a super-2 number, since 2×12230351342² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539084 + ... + 561312.

It is an arithmetic number, because the mean of its divisors is an integer number (634722075).

Almost surely, 2^12230351342 is an apocalyptic number.

12230351342 is a deficient number, since it is larger than the sum of its proper divisors (8080755058).

12230351342 is a wasteful number, since it uses less digits than its factorization.

12230351342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22612.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 12230351342 its reverse (24315303221), we get a palindrome (36545654563).

The spelling of 12230351342 in words is "twelve billion, two hundred thirty million, three hundred fifty-one thousand, three hundred forty-two".