12231061342 has 4 divisors (see below), whose sum is σ = 18346592016. Its totient is φ = 6115530670.

The previous prime is 12231061331. The next prime is 12231061361. The reversal of 12231061342 is 24316013221.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3057765334 + ... + 3057765337.

It is an arithmetic number, because the mean of its divisors is an integer number (4586648004).

Almost surely, 2^12231061342 is an apocalyptic number.

12231061342 is a deficient number, since it is larger than the sum of its proper divisors (6115530674).

12231061342 is an equidigital number, since it uses as much as digits as its factorization.

12231061342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115530673.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12231061342 its reverse (24316013221), we get a palindrome (36547074563).

The spelling of 12231061342 in words is "twelve billion, two hundred thirty-one million, sixty-one thousand, three hundred forty-two".