3211212013181 has 2 divisors, whose sum is σ = 3211212013182. Its totient is φ = 3211212013180.

The previous prime is 3211212013157. The next prime is 3211212013183. The reversal of 3211212013181 is 1813102121123.

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., 2374049232025 + 837162781156 = 1540795^2 + 914966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3211212013181 is a prime.

It is a super-2 number, since 2×3211212013181² (a number of 26 digits) contains 22 as substring.

Together with 3211212013183, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3211212013181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3211212013183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605606006590 + 1605606006591.

It is an arithmetic number, because the mean of its divisors is an integer number (1605606006591).

Almost surely, 2^{3211212013181} is an apocalyptic number.

It is an amenable number.

3211212013181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3211212013181 is an equidigital number, since it uses as much as digits as its factorization.

3211212013181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 3211212013181 in words is "three trillion, two hundred eleven billion, two hundred twelve million, thirteen thousand, one hundred eighty-one".