12203743427 has 2 divisors, whose sum is σ = 12203743428. Its totient is φ = 12203743426.

The previous prime is 12203743393. The next prime is 12203743429. The reversal of 12203743427 is 72434730221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12203743427 - 2²² = 12199549123 is a prime.

Together with 12203743429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12203743429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101871713 + 6101871714.

It is an arithmetic number, because the mean of its divisors is an integer number (6101871714).

Almost surely, 2^12203743427 is an apocalyptic number.

12203743427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203743427 is an equidigital number, since it uses as much as digits as its factorization.

12203743427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 12203743427 in words is "twelve billion, two hundred three million, seven hundred forty-three thousand, four hundred twenty-seven".