10221012212 has 12 divisors (see below), whose sum is σ = 17887543716. Its totient is φ = 5110285440.

The previous prime is 10221012163. The next prime is 10221012257. The reversal of 10221012212 is 21221012201.

It can be written as a sum of positive squares in 2 ways, for example, as 6362614756 + 3858397456 = 79766^2 + 62116^2 .

It is a super-3 number, since 3×10221012212³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93662 + ... + 170922.

It is an arithmetic number, because the mean of its divisors is an integer number (1490628643).

Almost surely, 2^10221012212 is an apocalyptic number.

It is an amenable number.

10221012212 is a deficient number, since it is larger than the sum of its proper divisors (7666531504).

10221012212 is a wasteful number, since it uses less digits than its factorization.

10221012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110338 (or 110336 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10221012212 its reverse (21221012201), we get a palindrome (31442024413).

The spelling of 10221012212 in words is "ten billion, two hundred twenty-one million, twelve thousand, two hundred twelve".