212210108003969 has 2 divisors, whose sum is σ = 212210108003970. Its totient is φ = 212210108003968.

The previous prime is 212210108003951. The next prime is 212210108004029. The reversal of 212210108003969 is 969300801012212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141715025065744 + 70495082938225 = 11904412^2 + 8396135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212210108003969 is a prime.

It is a super-2 number, since 2×212210108003969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212210108003909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105054001984 + 106105054001985.

It is an arithmetic number, because the mean of its divisors is an integer number (106105054001985).

Almost surely, 2^{212210108003969} is an apocalyptic number.

It is an amenable number.

212210108003969 is a deficient number, since it is larger than the sum of its proper divisors (1).

212210108003969 is an equidigital number, since it uses as much as digits as its factorization.

212210108003969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 212210108003969 in words is "two hundred twelve trillion, two hundred ten billion, one hundred eight million, three thousand, nine hundred sixty-nine".