1212033899 has 2 divisors, whose sum is σ = 1212033900. Its totient is φ = 1212033898.

The previous prime is 1212033869. The next prime is 1212033913. The reversal of 1212033899 is 9983302121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212033899 - 2¹⁶ = 1211968363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1212033869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606016949 + 606016950.

It is an arithmetic number, because the mean of its divisors is an integer number (606016950).

Almost surely, 2^1212033899 is an apocalyptic number.

1212033899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212033899 is an equidigital number, since it uses as much as digits as its factorization.

1212033899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1212033899 is about 34814.2772293207. The cubic root of 1212033899 is about 1066.1989624132.

The spelling of 1212033899 in words is "one billion, two hundred twelve million, thirty-three thousand, eight hundred ninety-nine".