10222021212 has 48 divisors (see below), whose sum is σ = 25888407552. Its totient is φ = 3120465600.

The previous prime is 10222021133. The next prime is 10222021213. The reversal of 10222021212 is 21212022201.

It is a junction number, because it is equal to n+sod(n) for n = 10222021191 and 10222021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222021213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238164 + ... + 277787.

It is an arithmetic number, because the mean of its divisors is an integer number (539341824).

Almost surely, 2^10222021212 is an apocalyptic number.

10222021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10222021212 is an abundant number, since it is smaller than the sum of its proper divisors (15666386340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10222021212 is a wasteful number, since it uses less digits than its factorization.

10222021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516098 (or 516096 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10222021212 its reverse (21212022201), we get a palindrome (31434043413).

The spelling of 10222021212 in words is "ten billion, two hundred twenty-two million, twenty-one thousand, two hundred twelve".