20112212027 has 2 divisors, whose sum is σ = 20112212028. Its totient is φ = 20112212026.

The previous prime is 20112212017. The next prime is 20112212039. The reversal of 20112212027 is 72021221102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112212027 - 2⁴ = 20112212011 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112212017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056106013 + 10056106014.

It is an arithmetic number, because the mean of its divisors is an integer number (10056106014).

Almost surely, 2^20112212027 is an apocalyptic number.

20112212027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112212027 is an equidigital number, since it uses as much as digits as its factorization.

20112212027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 20112212027 its reverse (72021221102), we get a palindrome (92133433129).

The spelling of 20112212027 in words is "twenty billion, one hundred twelve million, two hundred twelve thousand, twenty-seven".