1212122000123 has 2 divisors, whose sum is σ = 1212122000124. Its totient is φ = 1212122000122.

The previous prime is 1212122000113. The next prime is 1212122000129. The reversal of 1212122000123 is 3210002212121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212122000123 - 2¹⁸ = 1212121737979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1212122000129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606061000061 + 606061000062.

It is an arithmetic number, because the mean of its divisors is an integer number (606061000062).

Almost surely, 2^{1212122000123} is an apocalyptic number.

1212122000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212122000123 is an equidigital number, since it uses as much as digits as its factorization.

1212122000123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1212122000123 its reverse (3210002212121), we get a palindrome (4422124212244).

The spelling of 1212122000123 in words is "one trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty-three", and thus it is an aban number.