1210120001023 has 2 divisors, whose sum is σ = 1210120001024. Its totient is φ = 1210120001022.

The previous prime is 1210120001021. The next prime is 1210120001029. The reversal of 1210120001023 is 3201000210121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210120001023 - 2¹ = 1210120001021 is a prime.

Together with 1210120001021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1210120000994 and 1210120001012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210120001021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605060000511 + 605060000512.

It is an arithmetic number, because the mean of its divisors is an integer number (605060000512).

Almost surely, 2^{1210120001023} is an apocalyptic number.

1210120001023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210120001023 is an equidigital number, since it uses as much as digits as its factorization.

1210120001023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1210120001023 its reverse (3201000210121), we get a palindrome (4411120211144).

The spelling of 1210120001023 in words is "one trillion, two hundred ten billion, one hundred twenty million, one thousand, twenty-three".