3512342463221 has 2 divisors, whose sum is σ = 3512342463222. Its totient is φ = 3512342463220.

The previous prime is 3512342463191. The next prime is 3512342463233. The reversal of 3512342463221 is 1223642432153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3104326848100 + 408015615121 = 1761910^2 + 638761^2 .

It is an emirp because it is prime and its reverse (1223642432153) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3512342463221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3512342462221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1756171231610 + 1756171231611.

It is an arithmetic number, because the mean of its divisors is an integer number (1756171231611).

Almost surely, 2^{3512342463221} is an apocalyptic number.

It is an amenable number.

3512342463221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3512342463221 is an equidigital number, since it uses as much as digits as its factorization.

3512342463221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 38.

Adding to 3512342463221 its reverse (1223642432153), we get a palindrome (4735984895374).

The spelling of 3512342463221 in words is "three trillion, five hundred twelve billion, three hundred forty-two million, four hundred sixty-three thousand, two hundred twenty-one".