12021130122 has 32 divisors (see below), whose sum is σ = 24661152000. Its totient is φ = 3904640448.

The previous prime is 12021130091. The next prime is 12021130139. The reversal of 12021130122 is 22103112021.

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, 28497 + ... + 157652.

It is an arithmetic number, because the mean of its divisors is an integer number (770661000).

Almost surely, 2^12021130122 is an apocalyptic number.

12021130122 is an abundant number, since it is smaller than the sum of its proper divisors (12640021878).

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

12021130122 is a wasteful number, since it uses less digits than its factorization.

12021130122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186430.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12021130122 its reverse (22103112021), we get a palindrome (34124242143).

The spelling of 12021130122 in words is "twelve billion, twenty-one million, one hundred thirty thousand, one hundred twenty-two".