1210123102013 has 8 divisors (see below), whose sum is σ = 1411222276800. Its totient is φ = 1037248372860.

The previous prime is 1210123101997. The next prime is 1210123102057. The reversal of 1210123102013 is 3102013210121.

It is not a de Polignac number, because 1210123102013 - 2⁴ = 1210123101997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210123101982 and 1210123102000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210123102073) 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, 1764027503 + ... + 1764028188.

It is an arithmetic number, because the mean of its divisors is an integer number (176402784600).

Almost surely, 2^{1210123102013} is an apocalyptic number.

It is an amenable number.

1210123102013 is a deficient number, since it is larger than the sum of its proper divisors (201099174787).

1210123102013 is an frugal number, since it uses more digits than its factorization.

1210123102013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528055712 (or 3528055698 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1210123102013 its reverse (3102013210121), we get a palindrome (4312136312134).

The spelling of 1210123102013 in words is "one trillion, two hundred ten billion, one hundred twenty-three million, one hundred two thousand, thirteen".