212303120311301 has 4 divisors (see below), whose sum is σ = 212303149987500. Its totient is φ = 212303090635104.

The previous prime is 212303120311253. The next prime is 212303120311313. The reversal of 212303120311301 is 103113021303212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 105204920733025 + 107098199578276 = 10256945^2 + 10348826^2 .

It is a cyclic number.

It is not a de Polignac number, because 212303120311301 - 2³⁸ = 212028242404357 is a prime.

It is a super-2 number, since 2×212303120311301² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212303120311901) 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, 3212075 + ... + 20854823.

It is an arithmetic number, because the mean of its divisors is an integer number (53075787496875).

Almost surely, 2^{212303120311301} is an apocalyptic number.

It is an amenable number.

212303120311301 is a deficient number, since it is larger than the sum of its proper divisors (29676199).

212303120311301 is a wasteful number, since it uses less digits than its factorization.

212303120311301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29676198.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 212303120311301 its reverse (103113021303212), we get a palindrome (315416141614513).

The spelling of 212303120311301 in words is "two hundred twelve trillion, three hundred three billion, one hundred twenty million, three hundred eleven thousand, three hundred one".