212113011073 has 2 divisors, whose sum is σ = 212113011074. Its totient is φ = 212113011072.

The previous prime is 212113011029. The next prime is 212113011119. The reversal of 212113011073 is 370110311212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198788464449 + 13324546624 = 445857^2 + 115432^2 .

It is a cyclic number.

It is not a de Polignac number, because 212113011073 - 2²¹ = 212110913921 is a prime.

It is a super-2 number, since 2×212113011073² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212113011673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056505536 + 106056505537.

It is an arithmetic number, because the mean of its divisors is an integer number (106056505537).

Almost surely, 2^212113011073 is an apocalyptic number.

It is an amenable number.

212113011073 is a deficient number, since it is larger than the sum of its proper divisors (1).

212113011073 is an equidigital number, since it uses as much as digits as its factorization.

212113011073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 212113011073 its reverse (370110311212), we get a palindrome (582223322285).

The spelling of 212113011073 in words is "two hundred twelve billion, one hundred thirteen million, eleven thousand, seventy-three".