212101011201212 has 48 divisors (see below), whose sum is σ = 424482471641088. Its totient is φ = 90840344839680.

The previous prime is 212101011201187. The next prime is 212101011201223. The reversal of 212101011201212 is 212102110101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693152993 + ... + 693458919.

It is an arithmetic number, because the mean of its divisors is an integer number (8843384825856).

Almost surely, 2^{212101011201212} is an apocalyptic number.

It is an amenable number.

212101011201212 is an abundant number, since it is smaller than the sum of its proper divisors (212381460439876).

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

212101011201212 is a wasteful number, since it uses less digits than its factorization.

212101011201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322226 (or 322224 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212101011201212 its reverse (212102110101212), we get a palindrome (424203121302424).

The spelling of 212101011201212 in words is "two hundred twelve trillion, one hundred one billion, eleven million, two hundred one thousand, two hundred twelve".