1010012020169 has 2 divisors, whose sum is σ = 1010012020170. Its totient is φ = 1010012020168.

The previous prime is 1010012020123. The next prime is 1010012020177. The reversal of 1010012020169 is 9610202100101.

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., 995764494400 + 14247525769 = 997880^2 + 119363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010012020169 is a prime.

It is a super-2 number, since 2×1010012020169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1010012023169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505006010084 + 505006010085.

It is an arithmetic number, because the mean of its divisors is an integer number (505006010085).

Almost surely, 2^{1010012020169} is an apocalyptic number.

It is an amenable number.

1010012020169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010012020169 is an equidigital number, since it uses as much as digits as its factorization.

1010012020169 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 1010012020169 in words is "one trillion, ten billion, twelve million, twenty thousand, one hundred sixty-nine".