226712121029 has 2 divisors, whose sum is σ = 226712121030. Its totient is φ = 226712121028.

The previous prime is 226712121019. The next prime is 226712121079. The reversal of 226712121029 is 920121217622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226409430625 + 302690404 = 475825^2 + 17398^2 .

It is a cyclic number.

It is not a de Polignac number, because 226712121029 - 2²⁴ = 226695343813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226712121029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226712121019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113356060514 + 113356060515.

It is an arithmetic number, because the mean of its divisors is an integer number (113356060515).

Almost surely, 2^226712121029 is an apocalyptic number.

It is an amenable number.

226712121029 is a deficient number, since it is larger than the sum of its proper divisors (1).

226712121029 is an equidigital number, since it uses as much as digits as its factorization.

226712121029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 226712121029 in words is "two hundred twenty-six billion, seven hundred twelve million, one hundred twenty-one thousand, twenty-nine".