2221201000012 has 12 divisors (see below), whose sum is σ = 3892040893720. Its totient is φ = 1109189316096.

The previous prime is 2221200999971. The next prime is 2221201000013. The reversal of 2221201000012 is 2100001021222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2221200999956 and 2221201000001.

It is not an unprimeable number, because it can be changed into a prime (2221201000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352792437 + ... + 352798732.

Almost surely, 2^{2221201000012} is an apocalyptic number.

It is an amenable number.

2221201000012 is a deficient number, since it is larger than the sum of its proper divisors (1670839893708).

2221201000012 is a wasteful number, since it uses less digits than its factorization.

2221201000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705591960 (or 705591958 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2221201000012 its reverse (2100001021222), we get a palindrome (4321202021234).

The spelling of 2221201000012 in words is "two trillion, two hundred twenty-one billion, two hundred one million, twelve", and thus it is an aban number.