2120212019 has 2 divisors, whose sum is σ = 2120212020. Its totient is φ = 2120212018.

The previous prime is 2120211991. The next prime is 2120212063. The reversal of 2120212019 is 9102120212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120212019 is a prime.

It is a super-2 number, since 2×2120212019² = 8990598011024112722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2120272019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060106009 + 1060106010.

It is an arithmetic number, because the mean of its divisors is an integer number (1060106010).

Almost surely, 2^2120212019 is an apocalyptic number.

2120212019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120212019 is an equidigital number, since it uses as much as digits as its factorization.

2120212019 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 square root of 2120212019 is about 46045.7600545371. The cubic root of 2120212019 is about 1284.6744811779.

It can be divided in two parts, 2 and 120212019, that added together give a palindrome (120212021).

The spelling of 2120212019 in words is "two billion, one hundred twenty million, two hundred twelve thousand, nineteen".