1232121113344 has 144 divisors (see below), whose sum is σ = 2734968934656. Its totient is φ = 549314048000.

The previous prime is 1232121113323. The next prime is 1232121113351. The reversal of 1232121113344 is 4433111212321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30412269 + ... + 30452755.

It is an arithmetic number, because the mean of its divisors is an integer number (18992839824).

Almost surely, 2^{1232121113344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232121113344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367484467328).

1232121113344 is an abundant number, since it is smaller than the sum of its proper divisors (1502847821312).

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

1232121113344 is a wasteful number, since it uses less digits than its factorization.

1232121113344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40722 (or 40708 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

Adding to 1232121113344 its reverse (4433111212321), we get a palindrome (5665232325665).

The spelling of 1232121113344 in words is "one trillion, two hundred thirty-two billion, one hundred twenty-one million, one hundred thirteen thousand, three hundred forty-four".