212013021071 has 2 divisors, whose sum is σ = 212013021072. Its totient is φ = 212013021070.

The previous prime is 212013021053. The next prime is 212013021079. The reversal of 212013021071 is 170120310212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212013021071 - 2²⁶ = 211945912207 is a prime.

It is a super-2 number, since 2×212013021071² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013021079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006510535 + 106006510536.

It is an arithmetic number, because the mean of its divisors is an integer number (106006510536).

Almost surely, 2^212013021071 is an apocalyptic number.

212013021071 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013021071 is an equidigital number, since it uses as much as digits as its factorization.

212013021071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 212013021071 its reverse (170120310212), we get a palindrome (382133331283).

The spelling of 212013021071 in words is "two hundred twelve billion, thirteen million, twenty-one thousand, seventy-one".