212000121121301 has 4 divisors (see below), whose sum is σ = 214904232369612. Its totient is φ = 209096009872992.

The previous prime is 212000121121189. The next prime is 212000121121361. The reversal of 212000121121301 is 103121121000212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 173695793596900 + 38304327524401 = 13179370^2 + 6189049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212000121121301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212000121121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000121121361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452055624046 + ... + 1452055624191.

It is an arithmetic number, because the mean of its divisors is an integer number (53726058092403).

Almost surely, 2^{212000121121301} is an apocalyptic number.

It is an amenable number.

212000121121301 is a deficient number, since it is larger than the sum of its proper divisors (2904111248311).

212000121121301 is an equidigital number, since it uses as much as digits as its factorization.

212000121121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904111248310.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212000121121301 its reverse (103121121000212), we get a palindrome (315121242121513).

The spelling of 212000121121301 in words is "two hundred twelve trillion, one hundred twenty-one million, one hundred twenty-one thousand, three hundred one".