1012211999 has 2 divisors, whose sum is σ = 1012212000. Its totient is φ = 1012211998.

The previous prime is 1012211957. The next prime is 1012212017. The reversal of 1012211999 is 9991122101.

1012211999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012211999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012211939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506105999 + 506106000.

It is an arithmetic number, because the mean of its divisors is an integer number (506106000).

Almost surely, 2^1012211999 is an apocalyptic number.

1012211999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012211999 is an equidigital number, since it uses as much as digits as its factorization.

1012211999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 35.

The square root of 1012211999 is about 31815.2793324214. The cubic root of 1012211999 is about 1004.0542075222.

The spelling of 1012211999 in words is "one billion, twelve million, two hundred eleven thousand, nine hundred ninety-nine".