212010101249 has 2 divisors, whose sum is σ = 212010101250. Its totient is φ = 212010101248.

The previous prime is 212010101203. The next prime is 212010101257. The reversal of 212010101249 is 942101010212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184872481024 + 27137620225 = 429968^2 + 164735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212010101249 is a prime.

It is a super-2 number, since 2×212010101249² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212010101449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005050624 + 106005050625.

It is an arithmetic number, because the mean of its divisors is an integer number (106005050625).

Almost surely, 2^212010101249 is an apocalyptic number.

It is an amenable number.

212010101249 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010101249 is an equidigital number, since it uses as much as digits as its factorization.

212010101249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 212010101249 in words is "two hundred twelve billion, ten million, one hundred one thousand, two hundred forty-nine".