12100143220 has 48 divisors (see below), whose sum is σ = 27873570816. Its totient is φ = 4375728000.

The previous prime is 12100143161. The next prime is 12100143229. The reversal of 12100143220 is 2234100121.

It is a junction number, because it is equal to n+sod(n) for n = 12100143194 and 12100143203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100143229) 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, 112116 + ... + 191755.

It is an arithmetic number, because the mean of its divisors is an integer number (580699392).

Almost surely, 2^12100143220 is an apocalyptic number.

12100143220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100143220 is an abundant number, since it is smaller than the sum of its proper divisors (15773427596).

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

12100143220 is a wasteful number, since it uses less digits than its factorization.

12100143220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304072 (or 304070 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12100143220 its reverse (2234100121), we get a palindrome (14334243341).

The spelling of 12100143220 in words is "twelve billion, one hundred million, one hundred forty-three thousand, two hundred twenty".