123012302219 has 2 divisors, whose sum is σ = 123012302220. Its totient is φ = 123012302218.

The previous prime is 123012302213. The next prime is 123012302233. The reversal of 123012302219 is 912203210321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123012302219 is a prime.

It is a super-2 number, since 2×123012302219² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (123012302213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506151109 + 61506151110.

It is an arithmetic number, because the mean of its divisors is an integer number (61506151110).

Almost surely, 2^123012302219 is an apocalyptic number.

123012302219 is a deficient number, since it is larger than the sum of its proper divisors (1).

123012302219 is an equidigital number, since it uses as much as digits as its factorization.

123012302219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 123012302219 in words is "one hundred twenty-three billion, twelve million, three hundred two thousand, two hundred nineteen".