122220203999999 has 24 divisors (see below), whose sum is σ = 144317145512880. Its totient is φ = 103185284275584.

The previous prime is 122220203999969. The next prime is 122220204000031. The reversal of 122220203999999 is 999999302022221.

It is not a de Polignac number, because 122220203999999 - 2²⁸ = 122219935564543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220203999909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20474564 + ... + 25761369.

It is an arithmetic number, because the mean of its divisors is an integer number (6013214396370).

Almost surely, 2^{122220203999999} is an apocalyptic number.

122220203999999 is a deficient number, since it is larger than the sum of its proper divisors (22096941512881).

122220203999999 is an equidigital number, since it uses as much as digits as its factorization.

122220203999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46236759 (or 46236752 counting only the distinct ones).

The product of its (nonzero) digits is 51018336, while the sum is 68.

The spelling of 122220203999999 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred three million, nine hundred ninety-nine thousand, nine hundred ninety-nine".