122001020210 has 16 divisors (see below), whose sum is σ = 219866751000. Its totient is φ = 48741538176.

The previous prime is 122001020203. The next prime is 122001020221. The reversal of 122001020210 is 12020100221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 106802815249 + 15198204961 = 326807^2 + 123281^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122001020191 and 122001020200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7350035 + ... + 7366614.

Almost surely, 2^122001020210 is an apocalyptic number.

122001020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122001020210 is a deficient number, since it is larger than the sum of its proper divisors (97865730790).

122001020210 is a wasteful number, since it uses less digits than its factorization.

122001020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14717485.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 122001020210 its reverse (12020100221), we get a palindrome (134021120431).

The spelling of 122001020210 in words is "one hundred twenty-two billion, one million, twenty thousand, two hundred ten".