1212000011 has 2 divisors, whose sum is σ = 1212000012. Its totient is φ = 1212000010.

The previous prime is 1211999993. The next prime is 1212000017. The reversal of 1212000011 is 1100002121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212000011 - 2¹⁸ = 1211737867 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212000017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606000005 + 606000006.

It is an arithmetic number, because the mean of its divisors is an integer number (606000006).

Almost surely, 2^1212000011 is an apocalyptic number.

1212000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212000011 is an equidigital number, since it uses as much as digits as its factorization.

1212000011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1212000011 is about 34813.7905290418. The cubic root of 1212000011 is about 1066.1890254834.

Adding to 1212000011 its reverse (1100002121), we get a palindrome (2312002132).

The spelling of 1212000011 in words is "one billion, two hundred twelve million, eleven", and thus it is an aban number.