12011201022 has 16 divisors (see below), whose sum is σ = 24211556352. Its totient is φ = 3972207960.

The previous prime is 12011201017. The next prime is 12011201023. The reversal of 12011201022 is 22010211021.

It is a junction number, because it is equal to n+sod(n) for n = 12011200989 and 12011201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011201023) 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, 7880604 + ... + 7882127.

It is an arithmetic number, because the mean of its divisors is an integer number (1513222272).

Almost surely, 2^12011201022 is an apocalyptic number.

12011201022 is an abundant number, since it is smaller than the sum of its proper divisors (12200355330).

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

12011201022 is a wasteful number, since it uses less digits than its factorization.

12011201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15762863.

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

Adding to 12011201022 its reverse (22010211021), we get a palindrome (34021412043).

Subtracting 12011201022 from its reverse (22010211021), we obtain a palindrome (9999009999).

The spelling of 12011201022 in words is "twelve billion, eleven million, two hundred one thousand, twenty-two".