212141234009 has 2 divisors, whose sum is σ = 212141234010. Its totient is φ = 212141234008.

The previous prime is 212141233991. The next prime is 212141234021. The reversal of 212141234009 is 900432141212.

212141234009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211809811984 + 331422025 = 460228^2 + 18205^2 .

It is a cyclic number.

It is not a de Polignac number, because 212141234009 - 2¹² = 212141229913 is a prime.

It is a super-2 number, since 2×212141234009² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212141234069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106070617004 + 106070617005.

It is an arithmetic number, because the mean of its divisors is an integer number (106070617005).

Almost surely, 2^212141234009 is an apocalyptic number.

It is an amenable number.

212141234009 is a deficient number, since it is larger than the sum of its proper divisors (1).

212141234009 is an equidigital number, since it uses as much as digits as its factorization.

212141234009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 212141234009 in words is "two hundred twelve billion, one hundred forty-one million, two hundred thirty-four thousand, nine".