201012169 has 2 divisors, whose sum is σ = 201012170. Its totient is φ = 201012168.

The previous prime is 201012151. The next prime is 201012187. The reversal of 201012169 is 961210102.

It is a balanced prime because it is at equal distance from previous prime (201012151) and next prime (201012187).

It can be written as a sum of positive squares in only one way, i.e., 104284944 + 96727225 = 10212^2 + 9835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201012169 is a prime.

It is a super-2 number, since 2×201012169² = 80811784172169122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201012109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506084 + 100506085.

It is an arithmetic number, because the mean of its divisors is an integer number (100506085).

Almost surely, 2^201012169 is an apocalyptic number.

It is an amenable number.

201012169 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012169 is an equidigital number, since it uses as much as digits as its factorization.

201012169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 201012169 is about 14177.8760398023. The cubic root of 201012169 is about 585.7884214452.

The spelling of 201012169 in words is "two hundred one million, twelve thousand, one hundred sixty-nine".