20011412231 has 2 divisors, whose sum is σ = 20011412232. Its totient is φ = 20011412230.

The previous prime is 20011412207. The next prime is 20011412233. The reversal of 20011412231 is 13221411002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20011412231 - 2⁶ = 20011412167 is a prime.

It is a super-2 number, since 2×20011412231² (a number of 21 digits) contains 22 as substring.

Together with 20011412233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20011412233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005706115 + 10005706116.

It is an arithmetic number, because the mean of its divisors is an integer number (10005706116).

Almost surely, 2^20011412231 is an apocalyptic number.

20011412231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011412231 is an equidigital number, since it uses as much as digits as its factorization.

20011412231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20011412231 its reverse (13221411002), we get a palindrome (33232823233).

The spelling of 20011412231 in words is "twenty billion, eleven million, four hundred twelve thousand, two hundred thirty-one".