1321102233232 has 80 divisors (see below), whose sum is σ = 2664042061824. Its totient is φ = 633965904000.

The previous prime is 1321102233211. The next prime is 1321102233257. The reversal of 1321102233232 is 2323322011231.

It is a super-2 number, since 2×1321102233232² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321102233197 and 1321102233206.

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, 121564663 + ... + 121575529.

Almost surely, 2^{1321102233232} 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 1321102233232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332021030912).

1321102233232 is an abundant number, since it is smaller than the sum of its proper divisors (1342939828592).

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

1321102233232 is a wasteful number, since it uses less digits than its factorization.

1321102233232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12908 (or 12902 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1321102233232 its reverse (2323322011231), we get a palindrome (3644424244463).

The spelling of 1321102233232 in words is "one trillion, three hundred twenty-one billion, one hundred two million, two hundred thirty-three thousand, two hundred thirty-two".