2012000022 has 48 divisors (see below), whose sum is σ = 4603959360. Its totient is φ = 633265776.

The previous prime is 2012000009. The next prime is 2012000033. The reversal of 2012000022 is 2200002102.

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 = 2011999968 and 2012000013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95413 + ... + 114575.

It is an arithmetic number, because the mean of its divisors is an integer number (95915820).

Almost surely, 2^2012000022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012000022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2301979680).

2012000022 is an abundant number, since it is smaller than the sum of its proper divisors (2591959338).

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

2012000022 is a wasteful number, since it uses less digits than its factorization.

2012000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19497 (or 19494 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2012000022 is about 44855.3232292445. The cubic root of 2012000022 is about 1262.4358736438.

Adding to 2012000022 its reverse (2200002102), we get a palindrome (4212002124).

The spelling of 2012000022 in words is "two billion, twelve million, twenty-two", and thus it is an aban number and an uban number.