1210321213332 has 192 divisors, whose sum is σ = 3545659643904. Its totient is φ = 312169397760.

The previous prime is 1210321213247. The next prime is 1210321213357. The reversal of 1210321213332 is 2333121230121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76609258 + ... + 76625054.

It is an arithmetic number, because the mean of its divisors is an integer number (18466977312).

Almost surely, 2^{1210321213332} is an apocalyptic number.

1210321213332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210321213332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1772829821952).

1210321213332 is an abundant number, since it is smaller than the sum of its proper divisors (2335338430572).

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

1210321213332 is a wasteful number, since it uses less digits than its factorization.

1210321213332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16398 (or 16396 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1210321213332 its reverse (2333121230121), we get a palindrome (3543442443453).

The spelling of 1210321213332 in words is "one trillion, two hundred ten billion, three hundred twenty-one million, two hundred thirteen thousand, three hundred thirty-two".