12002020122 has 16 divisors (see below), whose sum is σ = 24005526912. Its totient is φ = 4000425600.

The previous prime is 12002020097. The next prime is 12002020123. The reversal of 12002020122 is 22102020021.

It is a junction number, because it is equal to n+sod(n) for n = 12002020098 and 12002020107.

It is not an unprimeable number, because it can be changed into a prime (12002020123) 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, 62122 + ... + 166922.

It is an arithmetic number, because the mean of its divisors is an integer number (1500345432).

Almost surely, 2^12002020122 is an apocalyptic number.

12002020122 is an abundant number, since it is smaller than the sum of its proper divisors (12003506790).

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

12002020122 is a wasteful number, since it uses less digits than its factorization.

12002020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123893.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12002020122 its reverse (22102020021), we get a palindrome (34104040143).

The spelling of 12002020122 in words is "twelve billion, two million, twenty thousand, one hundred twenty-two".