1012002102029 has 2 divisors, whose sum is σ = 1012002102030. Its totient is φ = 1012002102028.

The previous prime is 1012002101983. The next prime is 1012002102049. The reversal of 1012002102029 is 9202012002101.

It is a happy number.

It is an a-pointer prime, because the next prime (1012002102049) can be obtained adding 1012002102029 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 681235636900 + 330766465129 = 825370^2 + 575123^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012002102029 - 2²⁴ = 1011985324813 is a prime.

It is a super-2 number, since 2×1012002102029² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012002102029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012002102049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506001051014 + 506001051015.

It is an arithmetic number, because the mean of its divisors is an integer number (506001051015).

Almost surely, 2^{1012002102029} is an apocalyptic number.

It is an amenable number.

1012002102029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012002102029 is an equidigital number, since it uses as much as digits as its factorization.

1012002102029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1012002102029 in words is "one trillion, twelve billion, two million, one hundred two thousand, twenty-nine".