12142231019 has 2 divisors, whose sum is σ = 12142231020. Its totient is φ = 12142231018.

The previous prime is 12142230979. The next prime is 12142231021. The reversal of 12142231019 is 91013224121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12142231019 - 2¹² = 12142226923 is a prime.

It is a super-2 number, since 2×12142231019² (a number of 21 digits) contains 22 as substring.

Together with 12142231021, 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 (12142231099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071115509 + 6071115510.

It is an arithmetic number, because the mean of its divisors is an integer number (6071115510).

Almost surely, 2^12142231019 is an apocalyptic number.

12142231019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12142231019 is an equidigital number, since it uses as much as digits as its factorization.

12142231019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 12142231019 in words is "twelve billion, one hundred forty-two million, two hundred thirty-one thousand, nineteen".