2221201210012 has 6 divisors (see below), whose sum is σ = 3887102117528. Its totient is φ = 1110600605004.

The previous prime is 2221201210003. The next prime is 2221201210013. The reversal of 2221201210012 is 2100121021222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221201210013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277650151248 + ... + 277650151255.

Almost surely, 2^{2221201210012} is an apocalyptic number.

It is an amenable number.

2221201210012 is a deficient number, since it is larger than the sum of its proper divisors (1665900907516).

2221201210012 is a wasteful number, since it uses less digits than its factorization.

2221201210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555300302507 (or 555300302505 counting only the distinct ones).

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

Adding to 2221201210012 its reverse (2100121021222), we get a palindrome (4321322231234).

The spelling of 2221201210012 in words is "two trillion, two hundred twenty-one billion, two hundred one million, two hundred ten thousand, twelve".