212001022019 has 2 divisors, whose sum is σ = 212001022020. Its totient is φ = 212001022018.

The previous prime is 212001022003. The next prime is 212001022087. The reversal of 212001022019 is 910220100212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212001022019 - 2⁴ = 212001022003 is a prime.

It is a super-2 number, since 2×212001022019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212001052019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000511009 + 106000511010.

It is an arithmetic number, because the mean of its divisors is an integer number (106000511010).

Almost surely, 2^212001022019 is an apocalyptic number.

212001022019 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001022019 is an equidigital number, since it uses as much as digits as its factorization.

212001022019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 212001022019 in words is "two hundred twelve billion, one million, twenty-two thousand, nineteen".