212012021219 has 2 divisors, whose sum is σ = 212012021220. Its totient is φ = 212012021218.

The previous prime is 212012021197. The next prime is 212012021231. The reversal of 212012021219 is 912120210212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212012021219 - 2²⁴ = 211995244003 is a prime.

It is a super-2 number, since 2×212012021219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212012021194 and 212012021203.

It is not a weakly prime, because it can be changed into another prime (212012021519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006010609 + 106006010610.

It is an arithmetic number, because the mean of its divisors is an integer number (106006010610).

Almost surely, 2^212012021219 is an apocalyptic number.

212012021219 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012021219 is an equidigital number, since it uses as much as digits as its factorization.

212012021219 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 212012021219 in words is "two hundred twelve billion, twelve million, twenty-one thousand, two hundred nineteen".