2212200121012 has 12 divisors (see below), whose sum is σ = 4424400242080. Its totient is φ = 948085766136.

The previous prime is 2212200121003. The next prime is 2212200121013. The reversal of 2212200121012 is 2101210022122.

It is a happy number.

2212200121012 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212200121013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39503573562 + ... + 39503573617.

Almost surely, 2^{2212200121012} is an apocalyptic number.

It is an amenable number.

2212200121012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2212200121012 is a wasteful number, since it uses less digits than its factorization.

2212200121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79007147190 (or 79007147188 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2212200121012 its reverse (2101210022122), we get a palindrome (4313410143134).

The spelling of 2212200121012 in words is "two trillion, two hundred twelve billion, two hundred million, one hundred twenty-one thousand, twelve".