10101212029 has 2 divisors, whose sum is σ = 10101212030. Its totient is φ = 10101212028.

The previous prime is 10101212027. The next prime is 10101212131. The reversal of 10101212029 is 92021210101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6268363929 + 3832848100 = 79173^2 + 61910^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101212029 - 2¹ = 10101212027 is a prime.

Together with 10101212027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10101211997 and 10101212015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101212027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050606014 + 5050606015.

It is an arithmetic number, because the mean of its divisors is an integer number (5050606015).

Almost surely, 2^10101212029 is an apocalyptic number.

It is an amenable number.

10101212029 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101212029 is an equidigital number, since it uses as much as digits as its factorization.

10101212029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 10101212029 in words is "ten billion, one hundred one million, two hundred twelve thousand, twenty-nine".