12201142343 has 16 divisors (see below), whose sum is σ = 13405059360. Its totient is φ = 11037379584.

The previous prime is 12201142337. The next prime is 12201142397. The reversal of 12201142343 is 34324110221.

It is a cyclic number.

It is not a de Polignac number, because 12201142343 - 2¹⁶ = 12201076807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201142043) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 84080 + ... + 177402.

It is an arithmetic number, because the mean of its divisors is an integer number (837816210).

Almost surely, 2^12201142343 is an apocalyptic number.

12201142343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12201142343 is a deficient number, since it is larger than the sum of its proper divisors (1203917017).

12201142343 is a wasteful number, since it uses less digits than its factorization.

12201142343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93538.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12201142343 its reverse (34324110221), we get a palindrome (46525252564).

The spelling of 12201142343 in words is "twelve billion, two hundred one million, one hundred forty-two thousand, three hundred forty-three".