1212834019 has 2 divisors, whose sum is σ = 1212834020. Its totient is φ = 1212834018.

The previous prime is 1212834017. The next prime is 1212834041. The reversal of 1212834019 is 9104382121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212834019 - 2¹ = 1212834017 is a prime.

It is a super-2 number, since 2×1212834019² = 2941932715287384722, which contains 22 as substring.

Together with 1212834017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1212834017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606417009 + 606417010.

It is an arithmetic number, because the mean of its divisors is an integer number (606417010).

Almost surely, 2^1212834019 is an apocalyptic number.

1212834019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212834019 is an equidigital number, since it uses as much as digits as its factorization.

1212834019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1212834019 is about 34825.7665960134. The cubic root of 1212834019 is about 1066.4335266616.

The spelling of 1212834019 in words is "one billion, two hundred twelve million, eight hundred thirty-four thousand, nineteen".