1212200113332 has 96 divisors (see below), whose sum is σ = 3167577262080. Its totient is φ = 358237393920.

The previous prime is 1212200113321. The next prime is 1212200113351. The reversal of 1212200113332 is 2333110022121.

It is a super-2 number, since 2×1212200113332² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212200113299 and 1212200113308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162648 + ... + 1565520.

It is an arithmetic number, because the mean of its divisors is an integer number (32995596480).

Almost surely, 2^{1212200113332} is an apocalyptic number.

1212200113332 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 1212200113332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583788631040).

1212200113332 is an abundant number, since it is smaller than the sum of its proper divisors (1955377148748).

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

1212200113332 is a wasteful number, since it uses less digits than its factorization.

1212200113332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403113 (or 1403111 counting only the distinct ones).

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

Adding to 1212200113332 its reverse (2333110022121), we get a palindrome (3545310135453).

The spelling of 1212200113332 in words is "one trillion, two hundred twelve billion, two hundred million, one hundred thirteen thousand, three hundred thirty-two".