122021001200210 has 24 divisors (see below), whose sum is σ = 255497035167180. Its totient is φ = 41835771839904.

The previous prime is 122021001200191. The next prime is 122021001200221. The reversal of 122021001200210 is 12002100120221.

It can be written as a sum of positive squares in 2 ways, for example, as 121501392336289 + 519608863921 = 11022767^2 + 720839^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124511225225 + ... + 124511226204.

Almost surely, 2^{122021001200210} is an apocalyptic number.

122021001200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122021001200210 is an abundant number, since it is smaller than the sum of its proper divisors (133476033966970).

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

122021001200210 is a wasteful number, since it uses less digits than its factorization.

122021001200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249022451450 (or 249022451443 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122021001200210 its reverse (12002100120221), we get a palindrome (134023101320431).

The spelling of 122021001200210 in words is "one hundred twenty-two trillion, twenty-one billion, one million, two hundred thousand, two hundred ten".