1233421115552 has 96 divisors (see below), whose sum is σ = 2558067765120. Its totient is φ = 584290769920.

The previous prime is 1233421115533. The next prime is 1233421115569. The reversal of 1233421115552 is 2555111243321.

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, 34233227 + ... + 34269237.

It is an arithmetic number, because the mean of its divisors is an integer number (26646539220).

Almost surely, 2^{1233421115552} 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 1233421115552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1279033882560).

1233421115552 is an abundant number, since it is smaller than the sum of its proper divisors (1324646649568).

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

1233421115552 is a wasteful number, since it uses less digits than its factorization.

1233421115552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36486 (or 36478 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

Adding to 1233421115552 its reverse (2555111243321), we get a palindrome (3788532358873).

The spelling of 1233421115552 in words is "one trillion, two hundred thirty-three billion, four hundred twenty-one million, one hundred fifteen thousand, five hundred fifty-two".