2012222000 has 80 divisors (see below), whose sum is σ = 5151848832. Its totient is φ = 757529600.

The previous prime is 2012221973. The next prime is 2012222027. The reversal of 2012222000 is 2222102.

It is an interprime number because it is at equal distance from previous prime (2012221973) and next prime (2012222027).

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4409 + ... + 63591.

Almost surely, 2^2012222000 is an apocalyptic number.

2012222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2575924416).

2012222000 is an abundant number, since it is smaller than the sum of its proper divisors (3139626832).

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

2012222000 is a wasteful number, since it uses less digits than its factorization.

2012222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59223 (or 59207 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2012222000 is about 44857.7975384436. The cubic root of 2012222000 is about 1262.4822988728.

Adding to 2012222000 its reverse (2222102), we get a palindrome (2014444102).

The spelling of 2012222000 in words is "two billion, twelve million, two hundred twenty-two thousand".