10203012019 has 2 divisors, whose sum is σ = 10203012020. Its totient is φ = 10203012018.

The previous prime is 10203011999. The next prime is 10203012023. The reversal of 10203012019 is 91021030201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10203012019 - 2⁷ = 10203011891 is a prime.

It is a super-2 number, since 2×10203012019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10203011987 and 10203012005.

It is not a weakly prime, because it can be changed into another prime (10203013019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101506009 + 5101506010.

It is an arithmetic number, because the mean of its divisors is an integer number (5101506010).

Almost surely, 2^10203012019 is an apocalyptic number.

10203012019 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203012019 is an equidigital number, since it uses as much as digits as its factorization.

10203012019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 10203012019 in words is "ten billion, two hundred three million, twelve thousand, nineteen".