10021212212 has 12 divisors (see below), whose sum is σ = 19131405216. Its totient is φ = 4555096440.

The previous prime is 10021212211. The next prime is 10021212259. The reversal of 10021212212 is 21221212001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021212211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113877368 + ... + 113877455.

It is an arithmetic number, because the mean of its divisors is an integer number (1594283768).

Almost surely, 2^10021212212 is an apocalyptic number.

It is an amenable number.

10021212212 is a deficient number, since it is larger than the sum of its proper divisors (9110193004).

10021212212 is a wasteful number, since it uses less digits than its factorization.

10021212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227754838 (or 227754836 counting only the distinct ones).

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

Adding to 10021212212 its reverse (21221212001), we get a palindrome (31242424213).

The spelling of 10021212212 in words is "ten billion, twenty-one million, two hundred twelve thousand, two hundred twelve".