2312300213221 has 2 divisors, whose sum is σ = 2312300213222. Its totient is φ = 2312300213220.

The previous prime is 2312300213203. The next prime is 2312300213239. The reversal of 2312300213221 is 1223120032132.

It is a balanced prime because it is at equal distance from previous prime (2312300213203) and next prime (2312300213239).

It can be written as a sum of positive squares in only one way, i.e., 1448303937025 + 863996276196 = 1203455^2 + 929514^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312300213221 - 2²³ = 2312291824613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2312300213192 and 2312300213201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312300216221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156150106610 + 1156150106611.

It is an arithmetic number, because the mean of its divisors is an integer number (1156150106611).

Almost surely, 2^{2312300213221} is an apocalyptic number.

It is an amenable number.

2312300213221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312300213221 is an equidigital number, since it uses as much as digits as its factorization.

2312300213221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2312300213221 its reverse (1223120032132), we get a palindrome (3535420245353).

The spelling of 2312300213221 in words is "two trillion, three hundred twelve billion, three hundred million, two hundred thirteen thousand, two hundred twenty-one".