3212312102381 has 2 divisors, whose sum is σ = 3212312102382. Its totient is φ = 3212312102380.

The previous prime is 3212312102309. The next prime is 3212312102411. The reversal of 3212312102381 is 1832012132123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3130567574281 + 81744528100 = 1769341^2 + 285910^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212312102381 - 2¹⁰ = 3212312101357 is a prime.

It is a super-2 number, since 2×3212312102381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3212312102081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606156051190 + 1606156051191.

It is an arithmetic number, because the mean of its divisors is an integer number (1606156051191).

Almost surely, 2^{3212312102381} is an apocalyptic number.

It is an amenable number.

3212312102381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212312102381 is an equidigital number, since it uses as much as digits as its factorization.

3212312102381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 3212312102381 in words is "three trillion, two hundred twelve billion, three hundred twelve million, one hundred two thousand, three hundred eighty-one".