212212020113 has 2 divisors, whose sum is σ = 212212020114. Its totient is φ = 212212020112.

The previous prime is 212212020109. The next prime is 212212020131. The reversal of 212212020113 is 311020212212.

Together with next prime (212212020131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200760451969 + 11451568144 = 448063^2 + 107012^2 .

It is a cyclic number.

It is not a de Polignac number, because 212212020113 - 2² = 212212020109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212212020091 and 212212020100.

It is not a weakly prime, because it can be changed into another prime (212212920113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106010056 + 106106010057.

It is an arithmetic number, because the mean of its divisors is an integer number (106106010057).

Almost surely, 2^212212020113 is an apocalyptic number.

It is an amenable number.

212212020113 is a deficient number, since it is larger than the sum of its proper divisors (1).

212212020113 is an equidigital number, since it uses as much as digits as its factorization.

212212020113 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 17.

Adding to 212212020113 its reverse (311020212212), we get a palindrome (523232232325).

The spelling of 212212020113 in words is "two hundred twelve billion, two hundred twelve million, twenty thousand, one hundred thirteen".