20112212013029 has 2 divisors, whose sum is σ = 20112212013030. Its totient is φ = 20112212013028.

The previous prime is 20112212012989. The next prime is 20112212013031. The reversal of 20112212013029 is 92031021221102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19044513456004 + 1067698557025 = 4364002^2 + 1033295^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112212013029 - 2²⁸ = 20111943577573 is a prime.

Together with 20112212013031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20112212012989 and 20112212013007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112212018029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056106006514 + 10056106006515.

It is an arithmetic number, because the mean of its divisors is an integer number (10056106006515).

Almost surely, 2^{20112212013029} is an apocalyptic number.

It is an amenable number.

20112212013029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112212013029 is an equidigital number, since it uses as much as digits as its factorization.

20112212013029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 20112212013029 in words is "twenty trillion, one hundred twelve billion, two hundred twelve million, thirteen thousand, twenty-nine".