122001000200020 has 96 divisors (see below), whose sum is σ = 272502827251200. Its totient is φ = 45798789657600.

The previous prime is 122001000200011. The next prime is 122001000200029. The reversal of 122001000200020 is 20002000100221.

It is an interprime number because it is at equal distance from previous prime (122001000200011) and next prime (122001000200029).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001000200029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3021310 + ... + 15910069.

It is an arithmetic number, because the mean of its divisors is an integer number (2838571117200).

Almost surely, 2^{122001000200020} is an apocalyptic number.

122001000200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001000200020 is an abundant number, since it is smaller than the sum of its proper divisors (150501827051180).

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

122001000200020 is a wasteful number, since it uses less digits than its factorization.

122001000200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18931729 (or 18931727 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 122001000200020 its reverse (20002000100221), we get a palindrome (142003000300241).

The spelling of 122001000200020 in words is "one hundred twenty-two trillion, one billion, two hundred thousand, twenty".