12020011122 has 16 divisors (see below), whose sum is σ = 27474311232. Its totient is φ = 3434288880.

The previous prime is 12020011121. The next prime is 12020011127. The reversal of 12020011122 is 22111002021.

It is a junction number, because it is equal to n+sod(n) for n = 12020011098 and 12020011107.

It is not an unprimeable number, because it can be changed into a prime (12020011121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143095329 + ... + 143095412.

It is an arithmetic number, because the mean of its divisors is an integer number (1717144452).

Almost surely, 2^12020011122 is an apocalyptic number.

12020011122 is an abundant number, since it is smaller than the sum of its proper divisors (15454300110).

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

12020011122 is a wasteful number, since it uses less digits than its factorization.

12020011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286190753.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12020011122 its reverse (22111002021), we get a palindrome (34131013143).

The spelling of 12020011122 in words is "twelve billion, twenty million, eleven thousand, one hundred twenty-two".