10202012122019 has 2 divisors, whose sum is σ = 10202012122020. Its totient is φ = 10202012122018.

The previous prime is 10202012121953. The next prime is 10202012122063. The reversal of 10202012122019 is 91022121020201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202012122019 is a prime.

It is a super-2 number, since 2×10202012122019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10202012121985 and 10202012122003.

It is not a weakly prime, because it can be changed into another prime (10202012121019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101006061009 + 5101006061010.

It is an arithmetic number, because the mean of its divisors is an integer number (5101006061010).

Almost surely, 2^{10202012122019} is an apocalyptic number.

10202012122019 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202012122019 is an equidigital number, since it uses as much as digits as its factorization.

10202012122019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 10202012122019 in words is "ten trillion, two hundred two billion, twelve million, one hundred twenty-two thousand, nineteen".