212200301120981 has 2 divisors, whose sum is σ = 212200301120982. Its totient is φ = 212200301120980.

The previous prime is 212200301120963. The next prime is 212200301121001. The reversal of 212200301120981 is 189021103002212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110639578546225 + 101560722574756 = 10518535^2 + 10077734^2 .

It is a cyclic number.

It is not a de Polignac number, because 212200301120981 - 2²² = 212200296926677 is a prime.

It is a super-2 number, since 2×212200301120981² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212200301120081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100150560490 + 106100150560491.

It is an arithmetic number, because the mean of its divisors is an integer number (106100150560491).

Almost surely, 2^{212200301120981} is an apocalyptic number.

It is an amenable number.

212200301120981 is a deficient number, since it is larger than the sum of its proper divisors (1).

212200301120981 is an equidigital number, since it uses as much as digits as its factorization.

212200301120981 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 32.

The spelling of 212200301120981 in words is "two hundred twelve trillion, two hundred billion, three hundred one million, one hundred twenty thousand, nine hundred eighty-one".