10122012021019 has 2 divisors, whose sum is σ = 10122012021020. Its totient is φ = 10122012021018.

The previous prime is 10122012020999. The next prime is 10122012021031. The reversal of 10122012021019 is 91012021022101.

It is a strong prime.

It is an emirp because it is prime and its reverse (91012021022101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10122012021019 is a prime.

It is a super-2 number, since 2×10122012021019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10122012721019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061006010509 + 5061006010510.

It is an arithmetic number, because the mean of its divisors is an integer number (5061006010510).

Almost surely, 2^{10122012021019} is an apocalyptic number.

10122012021019 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122012021019 is an equidigital number, since it uses as much as digits as its factorization.

10122012021019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 10122012021019 in words is "ten trillion, one hundred twenty-two billion, twelve million, twenty-one thousand, nineteen".