13230122121040 has 120 divisors (see below), whose sum is σ = 34448553292104. Its totient is φ = 4720180608000.

The previous prime is 13230122120947. The next prime is 13230122121071. The reversal of 13230122121040 is 4012122103231.

It can be written as a sum of positive squares in 4 ways, for example, as 394067551504 + 12836054569536 = 627748^2 + 3582744^2 .

It is a super-2 number, since 2×13230122121040² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12380811 + ... + 13406890.

Almost surely, 2^{13230122121040} is an apocalyptic number.

13230122121040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230122121040 is an abundant number, since it is smaller than the sum of its proper divisors (21218431171064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13230122121040 is a wasteful number, since it uses less digits than its factorization.

13230122121040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25787789 (or 25787772 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13230122121040 its reverse (4012122103231), we get a palindrome (17242244224271).

The spelling of 13230122121040 in words is "thirteen trillion, two hundred thirty billion, one hundred twenty-two million, one hundred twenty-one thousand, forty".