122001220122 has 32 divisors (see below), whose sum is σ = 248437235904. Its totient is φ = 39930278400.

The previous prime is 122001220057. The next prime is 122001220139. The reversal of 122001220122 is 221022100221.

122001220122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122001220122² (a number of 23 digits) contains 22 as substring.

122001220122 is a modest number, since divided by 1220122 gives 1220 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82903 + ... + 500874.

It is an arithmetic number, because the mean of its divisors is an integer number (7763663622).

Almost surely, 2^122001220122 is an apocalyptic number.

122001220122 is an abundant number, since it is smaller than the sum of its proper divisors (126436015782).

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

122001220122 is a wasteful number, since it uses less digits than its factorization.

122001220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584414.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122001220122 its reverse (221022100221), we get a palindrome (343023320343).

The spelling of 122001220122 in words is "one hundred twenty-two billion, one million, two hundred twenty thousand, one hundred twenty-two".