122352001999 has 2 divisors, whose sum is σ = 122352002000. Its totient is φ = 122352001998.

The previous prime is 122352001987. The next prime is 122352002023. The reversal of 122352001999 is 999100253221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122352001999 - 2¹⁵ = 122351969231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122352001939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61176000999 + 61176001000.

It is an arithmetic number, because the mean of its divisors is an integer number (61176001000).

Almost surely, 2^122352001999 is an apocalyptic number.

122352001999 is a deficient number, since it is larger than the sum of its proper divisors (1).

122352001999 is an equidigital number, since it uses as much as digits as its factorization.

122352001999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 122352001999 in words is "one hundred twenty-two billion, three hundred fifty-two million, one thousand, nine hundred ninety-nine".