12220100143 has 4 divisors (see below), whose sum is σ = 12518151408. Its totient is φ = 11922048880.

The previous prime is 12220100129. The next prime is 12220100153. The reversal of 12220100143 is 34100102221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12220100143 - 2¹⁷ = 12219969071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220100153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149025571 + ... + 149025652.

It is an arithmetic number, because the mean of its divisors is an integer number (3129537852).

Almost surely, 2^12220100143 is an apocalyptic number.

12220100143 is a deficient number, since it is larger than the sum of its proper divisors (298051265).

12220100143 is an equidigital number, since it uses as much as digits as its factorization.

12220100143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298051264.

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

Adding to 12220100143 its reverse (34100102221), we get a palindrome (46320202364).

The spelling of 12220100143 in words is "twelve billion, two hundred twenty million, one hundred thousand, one hundred forty-three".