1210023120113 has 8 divisors (see below), whose sum is σ = 1214199856296. Its totient is φ = 1205846704000.

The previous prime is 1210023120073. The next prime is 1210023120139. The reversal of 1210023120113 is 3110213200121.

It can be written as a sum of positive squares in 4 ways, for example, as 770476661824 + 439546458289 = 877768^2 + 662983^2 .

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 1210023120113 - 2²⁸ = 1209754684657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210023120091 and 1210023120100.

It is not an unprimeable number, because it can be changed into a prime (1210023120413) 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, 9441563 + ... + 9568863.

It is an arithmetic number, because the mean of its divisors is an integer number (151774982037).

Almost surely, 2^{1210023120113} is an apocalyptic number.

It is an amenable number.

1210023120113 is a deficient number, since it is larger than the sum of its proper divisors (4176736183).

1210023120113 is a wasteful number, since it uses less digits than its factorization.

1210023120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160035.

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

Adding to 1210023120113 its reverse (3110213200121), we get a palindrome (4320236320234).

The spelling of 1210023120113 in words is "one trillion, two hundred ten billion, twenty-three million, one hundred twenty thousand, one hundred thirteen".