212310033303121 has 6 divisors (see below), whose sum is σ = 229897846713030. Its totient is φ = 195978492279648.

The previous prime is 212310033303119. The next prime is 212310033303149. The reversal of 212310033303121 is 121303330013212.

It can be written as a sum of positive squares in 3 ways, for example, as 22630342922496 + 189679690380625 = 4757136^2 + 13772425^2 .

It is not a de Polignac number, because 212310033303121 - 2¹ = 212310033303119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212310033300121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628136193036 + ... + 628136193373.

It is an arithmetic number, because the mean of its divisors is an integer number (38316307785505).

Almost surely, 2^{212310033303121} is an apocalyptic number.

It is an amenable number.

212310033303121 is a deficient number, since it is larger than the sum of its proper divisors (17587813409909).

212310033303121 is a wasteful number, since it uses less digits than its factorization.

212310033303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256272386435 (or 1256272386422 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 212310033303121 its reverse (121303330013212), we get a palindrome (333613363316333).

The spelling of 212310033303121 in words is "two hundred twelve trillion, three hundred ten billion, thirty-three million, three hundred three thousand, one hundred twenty-one".