212000010212 has 24 divisors (see below), whose sum is σ = 393549723000. Its totient is φ = 99580285440.

The previous prime is 212000010139. The next prime is 212000010241. The reversal of 212000010212 is 212010000212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26356223716 + 185643786496 = 162346^2 + 430864^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212000010193 and 212000010202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2844587 + ... + 2918162.

It is an arithmetic number, because the mean of its divisors is an integer number (16397905125).

Almost surely, 2^212000010212 is an apocalyptic number.

It is an amenable number.

212000010212 is a deficient number, since it is larger than the sum of its proper divisors (181549712788).

212000010212 is a wasteful number, since it uses less digits than its factorization.

212000010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763311 (or 5763309 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212000010212 its reverse (212010000212), we get a palindrome (424010010424).

The spelling of 212000010212 in words is "two hundred twelve billion, ten thousand, two hundred twelve".