20123212233132 has 36 divisors (see below), whose sum is σ = 52621043485920. Its totient is φ = 6476436120672.

The previous prime is 20123212233109. The next prime is 20123212233133. The reversal of 20123212233132 is 23133221232102.

20123212233132 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 321 + 2 + 2 + 331 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 20123212233096 and 20123212233105.

It is not an unprimeable number, because it can be changed into a prime (20123212233133) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9637552708 + ... + 9637554795.

Almost surely, 2^{20123212233132} is an apocalyptic number.

It is an amenable number.

20123212233132 is an abundant number, since it is smaller than the sum of its proper divisors (32497831252788).

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

20123212233132 is a wasteful number, since it uses less digits than its factorization.

20123212233132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19275107542 (or 19275107537 counting only the distinct ones).

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

Adding to 20123212233132 its reverse (23133221232102), we get a palindrome (43256433465234).

The spelling of 20123212233132 in words is "twenty trillion, one hundred twenty-three billion, two hundred twelve million, two hundred thirty-three thousand, one hundred thirty-two".