212002201123 has 2 divisors, whose sum is σ = 212002201124. Its totient is φ = 212002201122.

The previous prime is 212002201109. The next prime is 212002201133. The reversal of 212002201123 is 321102200212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212002201123 - 2³⁷ = 74563247651 is a prime.

It is a super-2 number, since 2×212002201123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212002201097 and 212002201106.

It is not a weakly prime, because it can be changed into another prime (212002201133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106001100561 + 106001100562.

It is an arithmetic number, because the mean of its divisors is an integer number (106001100562).

Almost surely, 2^212002201123 is an apocalyptic number.

212002201123 is a deficient number, since it is larger than the sum of its proper divisors (1).

212002201123 is an equidigital number, since it uses as much as digits as its factorization.

212002201123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212002201123 its reverse (321102200212), we get a palindrome (533104401335).

The spelling of 212002201123 in words is "two hundred twelve billion, two million, two hundred one thousand, one hundred twenty-three".