912212010112121 has 2 divisors, whose sum is σ = 912212010112122. Its totient is φ = 912212010112120.

The previous prime is 912212010112057. The next prime is 912212010112127. The reversal of 912212010112121 is 121211010212219.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 911747928986896 + 464081125225 = 30195164^2 + 681235^2 .

It is an emirp because it is prime and its reverse (121211010212219) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 912212010112121 - 2⁶ = 912212010112057 is a prime.

It is a super-2 number, since 2×912212010112121² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (912212010112127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456106005056060 + 456106005056061.

It is an arithmetic number, because the mean of its divisors is an integer number (456106005056061).

Almost surely, 2^{912212010112121} is an apocalyptic number.

It is an amenable number.

912212010112121 is a deficient number, since it is larger than the sum of its proper divisors (1).

912212010112121 is an equidigital number, since it uses as much as digits as its factorization.

912212010112121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 912212010112121 in words is "nine hundred twelve trillion, two hundred twelve billion, ten million, one hundred twelve thousand, one hundred twenty-one".