222010121212 has 48 divisors (see below), whose sum is σ = 428333409504. Its totient is φ = 99844640000.

The previous prime is 222010121173. The next prime is 222010121261. The reversal of 222010121212 is 212121010222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6618162 + ... + 6651622.

It is an arithmetic number, because the mean of its divisors is an integer number (8923612698).

Almost surely, 2^222010121212 is an apocalyptic number.

222010121212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222010121212 is a deficient number, since it is larger than the sum of its proper divisors (206323288292).

222010121212 is a wasteful number, since it uses less digits than its factorization.

222010121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35070 (or 35068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222010121212 its reverse (212121010222), we get a palindrome (434131131434).

The spelling of 222010121212 in words is "two hundred twenty-two billion, ten million, one hundred twenty-one thousand, two hundred twelve".