1210000122123 has 16 divisors (see below), whose sum is σ = 1737645942816. Its totient is φ = 744525515520.

The previous prime is 1210000122113. The next prime is 1210000122139. The reversal of 1210000122123 is 3212210000121.

It is not a de Polignac number, because 1210000122123 - 2⁹ = 1210000121611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210000122113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1546108 + ... + 2193273.

It is an arithmetic number, because the mean of its divisors is an integer number (108602871426).

Almost surely, 2^{1210000122123} is an apocalyptic number.

1210000122123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1210000122123 is a deficient number, since it is larger than the sum of its proper divisors (527645820693).

1210000122123 is a wasteful number, since it uses less digits than its factorization.

1210000122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747694.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1210000122123 its reverse (3212210000121), we get a palindrome (4422210122244).

The spelling of 1210000122123 in words is "one trillion, two hundred ten billion, one hundred twenty-two thousand, one hundred twenty-three".