12402021969341 has 2 divisors, whose sum is σ = 12402021969342. Its totient is φ = 12402021969340.

The previous prime is 12402021969307. The next prime is 12402021969347. The reversal of 12402021969341 is 14396912020421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10900529544025 + 1501492425316 = 3301595^2 + 1225354^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12402021969341 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12402021969292 and 12402021969301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12402021969347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201010984670 + 6201010984671.

It is an arithmetic number, because the mean of its divisors is an integer number (6201010984671).

Almost surely, 2^{12402021969341} is an apocalyptic number.

It is an amenable number.

12402021969341 is a deficient number, since it is larger than the sum of its proper divisors (1).

12402021969341 is an equidigital number, since it uses as much as digits as its factorization.

12402021969341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

Adding to 12402021969341 its reverse (14396912020421), we get a palindrome (26798933989762).

The spelling of 12402021969341 in words is "twelve trillion, four hundred two billion, twenty-one million, nine hundred sixty-nine thousand, three hundred forty-one".