13221202223129 has 2 divisors, whose sum is σ = 13221202223130. Its totient is φ = 13221202223128.

The previous prime is 13221202223113. The next prime is 13221202223137. The reversal of 13221202223129 is 92132220212231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13120890664729 + 100311558400 = 3622277^2 + 316720^2 .

It is a cyclic number.

It is not a de Polignac number, because 13221202223129 - 2⁴ = 13221202223113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13221202223095 and 13221202223104.

It is not a weakly prime, because it can be changed into another prime (13221202223189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610601111564 + 6610601111565.

It is an arithmetic number, because the mean of its divisors is an integer number (6610601111565).

Almost surely, 2^{13221202223129} is an apocalyptic number.

It is an amenable number.

13221202223129 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221202223129 is an equidigital number, since it uses as much as digits as its factorization.

13221202223129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 13221202223129 in words is "thirteen trillion, two hundred twenty-one billion, two hundred two million, two hundred twenty-three thousand, one hundred twenty-nine".