2012220012 has 48 divisors (see below), whose sum is σ = 5128486272. Its totient is φ = 608993280.

The previous prime is 2012219987. The next prime is 2012220019. The reversal of 2012220012 is 2100222102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2012220012.

It is not an unprimeable number, because it can be changed into a prime (2012220019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99948 + ... + 118380.

It is an arithmetic number, because the mean of its divisors is an integer number (106843464).

Almost surely, 2^2012220012 is an apocalyptic number.

2012220012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2012220012 is an abundant number, since it is smaller than the sum of its proper divisors (3116266260).

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

2012220012 is a wasteful number, since it uses less digits than its factorization.

2012220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19278 (or 19276 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2012220012 is about 44857.7753795259. The cubic root of 2012220012 is about 1262.4818831109.

Adding to 2012220012 its reverse (2100222102), we get a palindrome (4112442114).

The spelling of 2012220012 in words is "two billion, twelve million, two hundred twenty thousand, twelve".