122120201020 has 12 divisors (see below), whose sum is σ = 256452422184. Its totient is φ = 48848080400.

The previous prime is 122120201017. The next prime is 122120201059. The reversal of 122120201020 is 20102021221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3053005006 + ... + 3053005045.

It is an arithmetic number, because the mean of its divisors is an integer number (21371035182).

Almost surely, 2^122120201020 is an apocalyptic number.

122120201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120201020 is an abundant number, since it is smaller than the sum of its proper divisors (134332221164).

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

122120201020 is a wasteful number, since it uses less digits than its factorization.

122120201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106010060 (or 6106010058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122120201020 its reverse (20102021221), we get a palindrome (142222222241).

The spelling of 122120201020 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred one thousand, twenty".