202012210919 has 2 divisors, whose sum is σ = 202012210920. Its totient is φ = 202012210918.

The previous prime is 202012210879. The next prime is 202012210943. The reversal of 202012210919 is 919012210202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202012210919 - 2¹⁶ = 202012145383 is a prime.

It is a super-2 number, since 2×202012210919² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202012210891 and 202012210900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202012210979) 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, 101006105459 + 101006105460.

It is an arithmetic number, because the mean of its divisors is an integer number (101006105460).

Almost surely, 2^202012210919 is an apocalyptic number.

202012210919 is a deficient number, since it is larger than the sum of its proper divisors (1).

202012210919 is an equidigital number, since it uses as much as digits as its factorization.

202012210919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 202012210919 in words is "two hundred two billion, twelve million, two hundred ten thousand, nine hundred nineteen".