12222220010 has 128 divisors (see below), whose sum is σ = 30823317504. Its totient is φ = 3363528960.

The previous prime is 12222219967. The next prime is 12222220013. The reversal of 12222220010 is 1002222221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (12222220013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203687 + ... + 256773.

It is an arithmetic number, because the mean of its divisors is an integer number (240807168).

Almost surely, 2^12222220010 is an apocalyptic number.

12222220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222220010 is an abundant number, since it is smaller than the sum of its proper divisors (18601097494).

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

12222220010 is a wasteful number, since it uses less digits than its factorization.

12222220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53148.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12222220010 its reverse (1002222221), we get a palindrome (13224442231).

It can be divided in two parts, 12222 and 220010, that added together give a palindrome (232232).

The spelling of 12222220010 in words is "twelve billion, two hundred twenty-two million, two hundred twenty thousand, ten".