210124229969 has 2 divisors, whose sum is σ = 210124229970. Its totient is φ = 210124229968.

The previous prime is 210124229963. The next prime is 210124230031. The reversal of 210124229969 is 969922421012.

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., 208282704400 + 1841525569 = 456380^2 + 42913^2 .

It is a cyclic number.

It is not a de Polignac number, because 210124229969 - 2¹⁶ = 210124164433 is a prime.

It is a super-2 number, since 2×210124229969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210124229963) 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, 105062114984 + 105062114985.

It is an arithmetic number, because the mean of its divisors is an integer number (105062114985).

Almost surely, 2^210124229969 is an apocalyptic number.

It is an amenable number.

210124229969 is a deficient number, since it is larger than the sum of its proper divisors (1).

210124229969 is an equidigital number, since it uses as much as digits as its factorization.

210124229969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 210124229969 in words is "two hundred ten billion, one hundred twenty-four million, two hundred twenty-nine thousand, nine hundred sixty-nine".