21223332120132 has 72 divisors (see below), whose sum is σ = 54120643176600. Its totient is φ = 7012366975488.

The previous prime is 21223332120127. The next prime is 21223332120181. The reversal of 21223332120132 is 23102123332212.

21223332120132 is a `hidden beast` number, since 2 + 122 + 3 + 332 + 1 + 201 + 3 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 208680857856 + 21014651262276 = 456816^2 + 4584174^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21223332120096 and 21223332120105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3654657 + ... + 7470152.

It is an arithmetic number, because the mean of its divisors is an integer number (751675599675).

Almost surely, 2^{21223332120132} is an apocalyptic number.

It is an amenable number.

21223332120132 is an abundant number, since it is smaller than the sum of its proper divisors (32897311056468).

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

21223332120132 is a wasteful number, since it uses less digits than its factorization.

21223332120132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125285 (or 11125280 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21223332120132 its reverse (23102123332212), we get a palindrome (44325455452344).

The spelling of 21223332120132 in words is "twenty-one trillion, two hundred twenty-three billion, three hundred thirty-two million, one hundred twenty thousand, one hundred thirty-two".