10012212021 has 8 divisors (see below), whose sum is σ = 15256704064. Its totient is φ = 5721264000.

The previous prime is 10012212017. The next prime is 10012212029. The reversal of 10012212021 is 12021221001.

10012212021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10012212021 - 2² = 10012212017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012211988 and 10012212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012212029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238385980 + ... + 238386021.

It is an arithmetic number, because the mean of its divisors is an integer number (1907088008).

Almost surely, 2^10012212021 is an apocalyptic number.

It is an amenable number.

10012212021 is a deficient number, since it is larger than the sum of its proper divisors (5244492043).

10012212021 is an equidigital number, since it uses as much as digits as its factorization.

10012212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476772011.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10012212021 its reverse (12021221001), we get a palindrome (22033433022).

The spelling of 10012212021 in words is "ten billion, twelve million, two hundred twelve thousand, twenty-one".