12214232021 has 2 divisors, whose sum is σ = 12214232022. Its totient is φ = 12214232020.

The previous prime is 12214232003. The next prime is 12214232039. The reversal of 12214232021 is 12023241221.

It is a balanced prime because it is at equal distance from previous prime (12214232003) and next prime (12214232039).

It can be written as a sum of positive squares in only one way, i.e., 9724720996 + 2489511025 = 98614^2 + 49895^2 .

It is a cyclic number.

It is not a de Polignac number, because 12214232021 - 2²² = 12210037717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12214231984 and 12214232002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12214232071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107116010 + 6107116011.

It is an arithmetic number, because the mean of its divisors is an integer number (6107116011).

Almost surely, 2^12214232021 is an apocalyptic number.

It is an amenable number.

12214232021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12214232021 is an equidigital number, since it uses as much as digits as its factorization.

12214232021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12214232021 its reverse (12023241221), we get a palindrome (24237473242).

The spelling of 12214232021 in words is "twelve billion, two hundred fourteen million, two hundred thirty-two thousand, twenty-one".