12212133133320 has 160 divisors (see below), whose sum is σ = 42461727600600. Its totient is φ = 3144273334272.

The previous prime is 12212133133271. The next prime is 12212133133357. The reversal of 12212133133320 is 2333133121221.

12212133133320 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 2 + 1 + 331 + 3 + 3 + 320 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8141560568964 + 4070572564356 = 2853342^2 + 2017566^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64891849 + ... + 65079768.

Almost surely, 2^{12212133133320} is an apocalyptic number.

12212133133320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212133133320 is an abundant number, since it is smaller than the sum of its proper divisors (30249594467280).

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

12212133133320 is a wasteful number, since it uses less digits than its factorization.

12212133133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129971669 (or 129971656 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 12212133133320 its reverse (2333133121221), we get a palindrome (14545266254541).

The spelling of 12212133133320 in words is "twelve trillion, two hundred twelve billion, one hundred thirty-three million, one hundred thirty-three thousand, three hundred twenty".