12099840619 has 2 divisors, whose sum is σ = 12099840620. Its totient is φ = 12099840618.

The previous prime is 12099840617. The next prime is 12099840637. The reversal of 12099840619 is 91604899021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (91604899021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12099840619 - 2¹ = 12099840617 is a prime.

It is a super-2 number, since 2×12099840619² (a number of 21 digits) contains 22 as substring.

Together with 12099840617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12099840617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6049920309 + 6049920310.

It is an arithmetic number, because the mean of its divisors is an integer number (6049920310).

Almost surely, 2^12099840619 is an apocalyptic number.

12099840619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12099840619 is an equidigital number, since it uses as much as digits as its factorization.

12099840619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 12099840619 in words is "twelve billion, ninety-nine million, eight hundred forty thousand, six hundred nineteen".