1232354222556 has 96 divisors (see below), whose sum is σ = 3033833660928. Its totient is φ = 388570617600.

The previous prime is 1232354222549. The next prime is 1232354222557. The reversal of 1232354222556 is 6552224532321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232354222557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23752315 + ... + 23804141.

It is an arithmetic number, because the mean of its divisors is an integer number (31602433968).

Almost surely, 2^{1232354222556} 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 1232354222556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516916830464).

1232354222556 is an abundant number, since it is smaller than the sum of its proper divisors (1801479438372).

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

1232354222556 is a wasteful number, since it uses less digits than its factorization.

1232354222556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52811 (or 52809 counting only the distinct ones).

The product of its digits is 864000, while the sum is 42.

Adding to 1232354222556 its reverse (6552224532321), we get a palindrome (7784578754877).

The spelling of 1232354222556 in words is "one trillion, two hundred thirty-two billion, three hundred fifty-four million, two hundred twenty-two thousand, five hundred fifty-six".