123001001219 has 2 divisors, whose sum is σ = 123001001220. Its totient is φ = 123001001218.

The previous prime is 123001001209. The next prime is 123001001231. The reversal of 123001001219 is 912100100321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123001001219 - 2²⁴ = 122984224003 is a prime.

It is a super-2 number, since 2×123001001219² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123001001219.

It is not a weakly prime, because it can be changed into another prime (123001001209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500500609 + 61500500610.

It is an arithmetic number, because the mean of its divisors is an integer number (61500500610).

Almost surely, 2^123001001219 is an apocalyptic number.

123001001219 is a deficient number, since it is larger than the sum of its proper divisors (1).

123001001219 is an equidigital number, since it uses as much as digits as its factorization.

123001001219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 123001001219 in words is "one hundred twenty-three billion, one million, one thousand, two hundred nineteen".