2012012021222 has 144 divisors (see below), whose sum is σ = 3723804608256. Its totient is φ = 798537852000.

The previous prime is 2012012021209. The next prime is 2012012021233. The reversal of 2012012021222 is 2221202102102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012012021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3847059053 + ... + 3847059575.

It is an arithmetic number, because the mean of its divisors is an integer number (25859754224).

Almost surely, 2^{2012012021222} is an apocalyptic number.

2012012021222 is a deficient number, since it is larger than the sum of its proper divisors (1711792587034).

2012012021222 is a wasteful number, since it uses less digits than its factorization.

2012012021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2012012021222 its reverse (2221202102102), we get a palindrome (4233214123324).

The spelling of 2012012021222 in words is "two trillion, twelve billion, twelve million, twenty-one thousand, two hundred twenty-two".