120001210169 has 2 divisors, whose sum is σ = 120001210170. Its totient is φ = 120001210168.

The previous prime is 120001210099. The next prime is 120001210171. The reversal of 120001210169 is 961012100021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81727374400 + 38273835769 = 285880^2 + 195637^2 .

It is an emirp because it is prime and its reverse (961012100021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120001210169 is a prime.

It is a super-2 number, since 2×120001210169² (a number of 23 digits) contains 22 as substring.

Together with 120001210171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120001210369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000605084 + 60000605085.

It is an arithmetic number, because the mean of its divisors is an integer number (60000605085).

Almost surely, 2^120001210169 is an apocalyptic number.

It is an amenable number.

120001210169 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001210169 is an equidigital number, since it uses as much as digits as its factorization.

120001210169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 120001210169 in words is "one hundred twenty billion, one million, two hundred ten thousand, one hundred sixty-nine".