10002221222012 has 24 divisors (see below), whose sum is σ = 18535864815216. Its totient is φ = 4706334044928.

The previous prime is 10002221221981. The next prime is 10002221222129. The reversal of 10002221222012 is 21022212220001.

It is a happy number.

10002221222012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×10002221222012⁵ (a number of 66 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8731418 + ... + 9810305.

It is an arithmetic number, because the mean of its divisors is an integer number (772327700634).

Almost surely, 2^{10002221222012} is an apocalyptic number.

It is an amenable number.

10002221222012 is a deficient number, since it is larger than the sum of its proper divisors (8533643593204).

10002221222012 is a wasteful number, since it uses less digits than its factorization.

10002221222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18549677 (or 18549675 counting only the distinct ones).

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

Adding to 10002221222012 its reverse (21022212220001), we get a palindrome (31024433442013).

The spelling of 10002221222012 in words is "ten trillion, two billion, two hundred twenty-one million, two hundred twenty-two thousand, twelve".