12020220029 has 2 divisors, whose sum is σ = 12020220030. Its totient is φ = 12020220028.

The previous prime is 12020220001. The next prime is 12020220031. The reversal of 12020220029 is 92002202021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11864219929 + 156000100 = 108923^2 + 12490^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020220029 - 2²⁴ = 12003442813 is a prime.

Together with 12020220031, 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 (12020220089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010110014 + 6010110015.

It is an arithmetic number, because the mean of its divisors is an integer number (6010110015).

Almost surely, 2^12020220029 is an apocalyptic number.

It is an amenable number.

12020220029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020220029 is an equidigital number, since it uses as much as digits as its factorization.

12020220029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 12020220029 in words is "twelve billion, twenty million, two hundred twenty thousand, twenty-nine".