1213030111124 has 24 divisors (see below), whose sum is σ = 2286289598208. Its totient is φ = 559812445920.

The previous prime is 1213030111091. The next prime is 1213030111151. The reversal of 1213030111124 is 4211110303121.

It is a junction number, because it is equal to n+sod(n) for n = 1213030111096 and 1213030111105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370652 + ... + 1601075.

It is an arithmetic number, because the mean of its divisors is an integer number (95262066592).

Almost surely, 2^{1213030111124} is an apocalyptic number.

It is an amenable number.

1213030111124 is a deficient number, since it is larger than the sum of its proper divisors (1073259487084).

1213030111124 is a wasteful number, since it uses less digits than its factorization.

1213030111124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983575 (or 1983573 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1213030111124 its reverse (4211110303121), we get a palindrome (5424140414245).

The spelling of 1213030111124 in words is "one trillion, two hundred thirteen billion, thirty million, one hundred eleven thousand, one hundred twenty-four".