1200011022 has 24 divisors (see below), whose sum is σ = 2971456176. Its totient is φ = 342860256.

The previous prime is 1200011017. The next prime is 1200011051. The reversal of 1200011022 is 2201100021.

1200011022 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1200010995 and 1200011013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4761823 + ... + 4762074.

It is an arithmetic number, because the mean of its divisors is an integer number (123810674).

Almost surely, 2^1200011022 is an apocalyptic number.

1200011022 is an abundant number, since it is smaller than the sum of its proper divisors (1771445154).

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

1200011022 is a wasteful number, since it uses less digits than its factorization.

1200011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9523912 (or 9523909 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1200011022 is about 34641.1752398789. The cubic root of 1200011022 is about 1062.6618226790.

Adding to 1200011022 its reverse (2201100021), we get a palindrome (3401111043).

The spelling of 1200011022 in words is "one billion, two hundred million, eleven thousand, twenty-two".