2012194819 has 2 divisors, whose sum is σ = 2012194820. Its totient is φ = 2012194818.

The previous prime is 2012194799. The next prime is 2012194931. The reversal of 2012194819 is 9184912102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012194819 - 2¹¹ = 2012192771 is a prime.

It is a super-2 number, since 2×2012194819² = 8097855979220885522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2012197819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006097409 + 1006097410.

It is an arithmetic number, because the mean of its divisors is an integer number (1006097410).

Almost surely, 2^2012194819 is an apocalyptic number.

2012194819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012194819 is an equidigital number, since it uses as much as digits as its factorization.

2012194819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 2012194819 is about 44857.4945689123. The cubic root of 2012194819 is about 1262.4766143301.

The spelling of 2012194819 in words is "two billion, twelve million, one hundred ninety-four thousand, eight hundred nineteen".