12011020022 has 8 divisors (see below), whose sum is σ = 18017034672. Its totient is φ = 6005341800.

The previous prime is 12011020019. The next prime is 12011020037. The reversal of 12011020022 is 22002011021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12011019985 and 12011020012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44447 + ... + 161237.

It is an arithmetic number, because the mean of its divisors is an integer number (2252129334).

Almost surely, 2^12011020022 is an apocalyptic number.

12011020022 is a deficient number, since it is larger than the sum of its proper divisors (6006014650).

12011020022 is a wasteful number, since it uses less digits than its factorization.

12011020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168214.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12011020022 its reverse (22002011021), we get a palindrome (34013031043).

Subtracting 12011020022 from its reverse (22002011021), we obtain a palindrome (9990990999).

The spelling of 12011020022 in words is "twelve billion, eleven million, twenty thousand, twenty-two".