10012213221 has 8 divisors (see below), whose sum is σ = 13487242944. Its totient is φ = 6605996160.

The previous prime is 10012213217. The next prime is 10012213231. The reversal of 10012213221 is 12231221001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10012213221 - 2² = 10012213217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10012213221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012213231) 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 in 7 ways as a sum of consecutive naturals, for example, 17202825 + ... + 17203406.

It is an arithmetic number, because the mean of its divisors is an integer number (1685905368).

Almost surely, 2^10012213221 is an apocalyptic number.

It is an amenable number.

10012213221 is a deficient number, since it is larger than the sum of its proper divisors (3475029723).

10012213221 is an equidigital number, since it uses as much as digits as its factorization.

10012213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34406331.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10012213221 its reverse (12231221001), we get a palindrome (22243434222).

The spelling of 10012213221 in words is "ten billion, twelve million, two hundred thirteen thousand, two hundred twenty-one".