21232202131249 has 2 divisors, whose sum is σ = 21232202131250. Its totient is φ = 21232202131248.

The previous prime is 21232202131211. The next prime is 21232202131253. The reversal of 21232202131249 is 94213120223212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10868019902224 + 10364182229025 = 3296668^2 + 3219345^2 .

It is a cyclic number.

It is not a de Polignac number, because 21232202131249 - 2²⁷ = 21232067913521 is a prime.

It is not a weakly prime, because it can be changed into another prime (21232202101249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616101065624 + 10616101065625.

It is an arithmetic number, because the mean of its divisors is an integer number (10616101065625).

Almost surely, 2^{21232202131249} is an apocalyptic number.

It is an amenable number.

21232202131249 is a deficient number, since it is larger than the sum of its proper divisors (1).

21232202131249 is an equidigital number, since it uses as much as digits as its factorization.

21232202131249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 21232202131249 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred two million, one hundred thirty-one thousand, two hundred forty-nine".