211012220010212 has 24 divisors (see below), whose sum is σ = 382005743346360. Its totient is φ = 101867738336000.

The previous prime is 211012220010197. The next prime is 211012220010227. The reversal of 211012220010212 is 212010022210112.

It is an interprime number because it is at equal distance from previous prime (211012220010197) and next prime (211012220010227).

It can be written as a sum of positive squares in 4 ways, for example, as 5704760279296 + 205307459730916 = 2388464^2 + 14328554^2 .

It is a super-2 number, since 2×211012220010212² (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 (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56797712 + ... + 60398712.

It is an arithmetic number, because the mean of its divisors is an integer number (15916905972765).

Almost surely, 2^{211012220010212} is an apocalyptic number.

It is an amenable number.

211012220010212 is a deficient number, since it is larger than the sum of its proper divisors (170993523336148).

211012220010212 is a wasteful number, since it uses less digits than its factorization.

211012220010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106191 (or 4106189 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211012220010212 its reverse (212010022210112), we get a palindrome (423022242220324).

The spelling of 211012220010212 in words is "two hundred eleven trillion, twelve billion, two hundred twenty million, ten thousand, two hundred twelve".