20211012120029 has 2 divisors, whose sum is σ = 20211012120030. Its totient is φ = 20211012120028.

The previous prime is 20211012119989. The next prime is 20211012120067. The reversal of 20211012120029 is 92002121011202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14569565340100 + 5641446779929 = 3817010^2 + 2375173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211012120029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20211012119986 and 20211012120013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211012122029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105506060014 + 10105506060015.

It is an arithmetic number, because the mean of its divisors is an integer number (10105506060015).

Almost surely, 2^{20211012120029} is an apocalyptic number.

It is an amenable number.

20211012120029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211012120029 is an equidigital number, since it uses as much as digits as its factorization.

20211012120029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 20211012120029 in words is "twenty trillion, two hundred eleven billion, twelve million, one hundred twenty thousand, twenty-nine".