10021032212 has 36 divisors (see below), whose sum is σ = 18540205236. Its totient is φ = 4738642560.

The previous prime is 10021032209. The next prime is 10021032247. The reversal of 10021032212 is 21223012001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 282105616 + 9738926596 = 16796^2 + 98686^2 .

It is a super-2 number, since 2×10021032212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 879512 + ... + 890832.

It is an arithmetic number, because the mean of its divisors is an integer number (515005701).

Almost surely, 2^10021032212 is an apocalyptic number.

It is an amenable number.

10021032212 is a deficient number, since it is larger than the sum of its proper divisors (8519173024).

10021032212 is a wasteful number, since it uses less digits than its factorization.

10021032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11976 (or 11955 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10021032212 its reverse (21223012001), we get a palindrome (31244044213).

The spelling of 10021032212 in words is "ten billion, twenty-one million, thirty-two thousand, two hundred twelve".