212012122101212 has 6 divisors (see below), whose sum is σ = 371021213677128. Its totient is φ = 106006061050604.

The previous prime is 212012122101179. The next prime is 212012122101239. The reversal of 212012122101212 is 212101221210212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26501515262648 + ... + 26501515262655.

It is an arithmetic number, because the mean of its divisors is an integer number (61836868946188).

Almost surely, 2^{212012122101212} is an apocalyptic number.

It is an amenable number.

212012122101212 is a deficient number, since it is larger than the sum of its proper divisors (159009091575916).

212012122101212 is a wasteful number, since it uses less digits than its factorization.

212012122101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53003030525307 (or 53003030525305 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212012122101212 its reverse (212101221210212), we get a palindrome (424113343311424).

The spelling of 212012122101212 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-two million, one hundred one thousand, two hundred twelve".