1331212132200 has 96 divisors (see below), whose sum is σ = 4129039697760. Its totient is φ = 354793593600.

The previous prime is 1331212132193. The next prime is 1331212132247. The reversal of 1331212132200 is 22312121331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474042 + ... + 1699158.

It is an arithmetic number, because the mean of its divisors is an integer number (43010830185).

Almost surely, 2^{1331212132200} is an apocalyptic number.

1331212132200 is a gapful number since it is divisible by the number (10) 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 1331212132200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2064519848880).

1331212132200 is an abundant number, since it is smaller than the sum of its proper divisors (2797827565560).

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

1331212132200 is a wasteful number, since it uses less digits than its factorization.

1331212132200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226947 (or 1226938 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1331212132200 its reverse (22312121331), we get a palindrome (1353524253531).

The spelling of 1331212132200 in words is "one trillion, three hundred thirty-one billion, two hundred twelve million, one hundred thirty-two thousand, two hundred".