212210001212 has 48 divisors (see below), whose sum is σ = 407151921120. Its totient is φ = 95977785600.

The previous prime is 212210001197. The next prime is 212210001253. The reversal of 212210001212 is 212100012212.

212210001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212210001212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18745778 + ... + 18757094.

It is an arithmetic number, because the mean of its divisors is an integer number (8482331690).

Almost surely, 2^212210001212 is an apocalyptic number.

212210001212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212210001212 is a deficient number, since it is larger than the sum of its proper divisors (194941919908).

212210001212 is a wasteful number, since it uses less digits than its factorization.

212210001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13422 (or 13420 counting only the distinct ones).

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

Adding to 212210001212 its reverse (212100012212), we get a palindrome (424310013424).

It can be divided in two parts, 21221000 and 1212, that added together give a palindrome (21222212).

The spelling of 212210001212 in words is "two hundred twelve billion, two hundred ten million, one thousand, two hundred twelve".