20123201113232 has 40 divisors (see below), whose sum is σ = 45186101511552. Its totient is φ = 8502761030400.

The previous prime is 20123201113207. The next prime is 20123201113237. The reversal of 20123201113232 is 23231110232102.

It is a junction number, because it is equal to n+sod(n) for n = 20123201113198 and 20123201113207.

It is not an unprimeable number, because it can be changed into a prime (20123201113237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265283869 + ... + 1265299772.

Almost surely, 2^{20123201113232} is an apocalyptic number.

It is an amenable number.

20123201113232 is an abundant number, since it is smaller than the sum of its proper divisors (25062900398320).

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

20123201113232 is a wasteful number, since it uses less digits than its factorization.

20123201113232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530583727 (or 2530583721 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20123201113232 its reverse (23231110232102), we get a palindrome (43354311345334).

The spelling of 20123201113232 in words is "twenty trillion, one hundred twenty-three billion, two hundred one million, one hundred thirteen thousand, two hundred thirty-two".