20022212123 has 2 divisors, whose sum is σ = 20022212124. Its totient is φ = 20022212122.

The previous prime is 20022212113. The next prime is 20022212131. The reversal of 20022212123 is 32121222002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20022212123 - 2²² = 20018017819 is a prime.

It is not a weakly prime, because it can be changed into another prime (20022212113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011106061 + 10011106062.

It is an arithmetic number, because the mean of its divisors is an integer number (10011106062).

Almost surely, 2^20022212123 is an apocalyptic number.

20022212123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022212123 is an equidigital number, since it uses as much as digits as its factorization.

20022212123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20022212123 its reverse (32121222002), we get a palindrome (52143434125).

The spelling of 20022212123 in words is "twenty billion, twenty-two million, two hundred twelve thousand, one hundred twenty-three".