1210321223123 has 8 divisors (see below), whose sum is σ = 1210767108096. Its totient is φ = 1209875416200.

The previous prime is 1210321223119. The next prime is 1210321223179. The reversal of 1210321223123 is 3213221230121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210321223123 - 2² = 1210321223119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210321226123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68669690 + ... + 68687312.

It is an arithmetic number, because the mean of its divisors is an integer number (151345888512).

Almost surely, 2^{1210321223123} is an apocalyptic number.

1210321223123 is a deficient number, since it is larger than the sum of its proper divisors (445884973).

1210321223123 is a wasteful number, since it uses less digits than its factorization.

1210321223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39025.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1210321223123 its reverse (3213221230121), we get a palindrome (4423542453244).

The spelling of 1210321223123 in words is "one trillion, two hundred ten billion, three hundred twenty-one million, two hundred twenty-three thousand, one hundred twenty-three".