12133211020 has 48 divisors (see below), whose sum is σ = 29214662400. Its totient is φ = 4146393024.

The previous prime is 12133210963. The next prime is 12133211021. The reversal of 12133211020 is 2011233121.

It is a junction number, because it is equal to n+sod(n) for n = 12133210985 and 12133211003.

It is not an unprimeable number, because it can be changed into a prime (12133211021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98170 + ... + 184129.

It is an arithmetic number, because the mean of its divisors is an integer number (608638800).

Almost surely, 2^12133211020 is an apocalyptic number.

12133211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12133211020 is an abundant number, since it is smaller than the sum of its proper divisors (17081451380).

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

12133211020 is a wasteful number, since it uses less digits than its factorization.

12133211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282622 (or 282620 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12133211020 its reverse (2011233121), we get a palindrome (14144444141).

The spelling of 12133211020 in words is "twelve billion, one hundred thirty-three million, two hundred eleven thousand, twenty".