10002221212012 has 24 divisors (see below), whose sum is σ = 17684578706256. Its totient is φ = 4949574935808.

The previous prime is 10002221211953. The next prime is 10002221212043. The reversal of 10002221212012 is 21021212220001.

It is a happy 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, 10869433 + ... + 11753680.

It is an arithmetic number, because the mean of its divisors is an integer number (736857446094).

Almost surely, 2^{10002221212012} is an apocalyptic number.

It is an amenable number.

10002221212012 is a deficient number, since it is larger than the sum of its proper divisors (7682357494244).

10002221212012 is a wasteful number, since it uses less digits than its factorization.

10002221212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22624257 (or 22624255 counting only the distinct ones).

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

Adding to 10002221212012 its reverse (21021212220001), we get a palindrome (31023433432013).

The spelling of 10002221212012 in words is "ten trillion, two billion, two hundred twenty-one million, two hundred twelve thousand, twelve".