1212020002069 has 2 divisors, whose sum is σ = 1212020002070. Its totient is φ = 1212020002068.

The previous prime is 1212020002049. The next prime is 1212020002079. The reversal of 1212020002069 is 9602000202121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883618800100 + 328401201969 = 940010^2 + 573063^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212020002069 - 2³⁵ = 1177660263701 is a prime.

It is a super-3 number, since 3×1212020002069³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212020002049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606010001034 + 606010001035.

It is an arithmetic number, because the mean of its divisors is an integer number (606010001035).

Almost surely, 2^{1212020002069} is an apocalyptic number.

It is an amenable number.

1212020002069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212020002069 is an equidigital number, since it uses as much as digits as its factorization.

1212020002069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 1212020002069 in words is "one trillion, two hundred twelve billion, twenty million, two thousand, sixty-nine".