212010212149 has 2 divisors, whose sum is σ = 212010212150. Its totient is φ = 212010212148.

The previous prime is 212010212137. The next prime is 212010212173. The reversal of 212010212149 is 941212010212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138620693124 + 73389519025 = 372318^2 + 270905^2 .

It is a cyclic number.

It is not a de Polignac number, because 212010212149 - 2²³ = 212001823541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212010212549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005106074 + 106005106075.

It is an arithmetic number, because the mean of its divisors is an integer number (106005106075).

Almost surely, 2^212010212149 is an apocalyptic number.

It is an amenable number.

212010212149 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010212149 is an equidigital number, since it uses as much as digits as its factorization.

212010212149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 212010212149 in words is "two hundred twelve billion, ten million, two hundred twelve thousand, one hundred forty-nine".