1212120000023 has 2 divisors, whose sum is σ = 1212120000024. Its totient is φ = 1212120000022.

The previous prime is 1212120000001. The next prime is 1212120000029. The reversal of 1212120000023 is 3200000212121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212120000023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212119999962 and 1212120000007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212120000029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606060000011 + 606060000012.

It is an arithmetic number, because the mean of its divisors is an integer number (606060000012).

Almost surely, 2^{1212120000023} is an apocalyptic number.

1212120000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212120000023 is an equidigital number, since it uses as much as digits as its factorization.

1212120000023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1212120000023 its reverse (3200000212121), we get a palindrome (4412120212144).

The spelling of 1212120000023 in words is "one trillion, two hundred twelve billion, one hundred twenty million, twenty-three", and thus it is an aban number.