212001200121212 has 24 divisors (see below), whose sum is σ = 374790948618240. Its totient is φ = 104921945034480.

The previous prime is 212001200121209. The next prime is 212001200121229. The reversal of 212001200121212 is 212121002100212.

It is a congruent number.

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, 483917012 + ... + 484354907.

It is an arithmetic number, because the mean of its divisors is an integer number (15616289525760).

Almost surely, 2^{212001200121212} is an apocalyptic number.

It is an amenable number.

212001200121212 is a deficient number, since it is larger than the sum of its proper divisors (162789748497028).

212001200121212 is a wasteful number, since it uses less digits than its factorization.

212001200121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968272481 (or 968272479 counting only the distinct ones).

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

Adding to 212001200121212 its reverse (212121002100212), we get a palindrome (424122202221424).

The spelling of 212001200121212 in words is "two hundred twelve trillion, one billion, two hundred million, one hundred twenty-one thousand, two hundred twelve".