2221200012212 has 24 divisors (see below), whose sum is σ = 3933057744000. Its totient is φ = 1097483720256.

The previous prime is 2221200012211. The next prime is 2221200012221. The reversal of 2221200012212 is 2122100021222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221200012211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197212 + ... + 2423987.

It is an arithmetic number, because the mean of its divisors is an integer number (163877406000).

Almost surely, 2^{2221200012212} is an apocalyptic number.

It is an amenable number.

2221200012212 is a deficient number, since it is larger than the sum of its proper divisors (1711857731788).

2221200012212 is a wasteful number, since it uses less digits than its factorization.

2221200012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623015 (or 3623013 counting only the distinct ones).

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

Adding to 2221200012212 its reverse (2122100021222), we get a palindrome (4343300033434).

The spelling of 2221200012212 in words is "two trillion, two hundred twenty-one billion, two hundred million, twelve thousand, two hundred twelve".