10002001222012 has 24 divisors (see below), whose sum is σ = 18465055873040. Its totient is φ = 4727422880640.

The previous prime is 10002001221973. The next prime is 10002001222049. The reversal of 10002001222012 is 21022210020001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10002001221983 and 10002001222001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143953539 + ... + 144023002.

Almost surely, 2^{10002001222012} is an apocalyptic number.

It is an amenable number.

10002001222012 is a deficient number, since it is larger than the sum of its proper divisors (8463054651028).

10002001222012 is a wasteful number, since it uses less digits than its factorization.

10002001222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287977021 (or 287977019 counting only the distinct ones).

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

Adding to 10002001222012 its reverse (21022210020001), we get a palindrome (31024211242013).

The spelling of 10002001222012 in words is "ten trillion, two billion, one million, two hundred twenty-two thousand, twelve".