12222021143 has 2 divisors, whose sum is σ = 12222021144. Its totient is φ = 12222021142.

The previous prime is 12222021137. The next prime is 12222021151. The reversal of 12222021143 is 34112022221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12222021143 - 2¹² = 12222017047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222021173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111010571 + 6111010572.

It is an arithmetic number, because the mean of its divisors is an integer number (6111010572).

Almost surely, 2^12222021143 is an apocalyptic number.

12222021143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222021143 is an equidigital number, since it uses as much as digits as its factorization.

12222021143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12222021143 its reverse (34112022221), we get a palindrome (46334043364).

The spelling of 12222021143 in words is "twelve billion, two hundred twenty-two million, twenty-one thousand, one hundred forty-three".