2222222021012 has 96 divisors (see below), whose sum is σ = 4652165726208. Its totient is φ = 908950420224.

The previous prime is 2222222021011. The next prime is 2222222021023. The reversal of 2222222021012 is 2101202222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222222021011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34882973 + ... + 34946619.

It is an arithmetic number, because the mean of its divisors is an integer number (48460059648).

Almost surely, 2^{2222222021012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222222021012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2326082863104).

2222222021012 is an abundant number, since it is smaller than the sum of its proper divisors (2429943705196).

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

2222222021012 is a wasteful number, since it uses less digits than its factorization.

2222222021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64365 (or 64363 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2222222021012 its reverse (2101202222222), we get a palindrome (4323424243234).

The spelling of 2222222021012 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, twenty-one thousand, twelve".