211212000000210 has 192 divisors, whose sum is σ = 602508350578176. Its totient is φ = 47165632757760.

The previous prime is 211212000000167. The next prime is 211212000000241. The reversal of 211212000000210 is 12000000212112.

It is a super-2 number, since 2×211212000000210² (a number of 29 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 33510847 + ... + 39311586.

It is an arithmetic number, because the mean of its divisors is an integer number (3138064325928).

Almost surely, 2^{211212000000210} is an apocalyptic number.

211212000000210 is an abundant number, since it is smaller than the sum of its proper divisors (391296350577966).

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

211212000000210 is a wasteful number, since it uses less digits than its factorization.

211212000000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72822529 (or 72822518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211212000000210 its reverse (12000000212112), we get a palindrome (223212000212322).

The spelling of 211212000000210 in words is "two hundred eleven trillion, two hundred twelve billion, two hundred ten", and thus it is an aban number.