122220204000000 has 252 divisors, whose sum is σ = 406599810924552. Its totient is φ = 32592051200000.

The previous prime is 122220203999969. The next prime is 122220204000031. The reversal of 122220204000000 is 402022221.

It is an interprime number because it is at equal distance from previous prime (122220203999969) and next prime (122220204000031).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6907492 + ... + 17092508.

Almost surely, 2^{122220204000000} is an apocalyptic number.

122220204000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122220204000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203299905462276).

122220204000000 is an abundant number, since it is smaller than the sum of its proper divisors (284379606924552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122220204000000 is an frugal number, since it uses more digits than its factorization.

122220204000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10185066 (or 10185027 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 122220204000000 its reverse (402022221), we get a palindrome (122220606022221).

The spelling of 122220204000000 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred four million", and thus it is an aban number.