12102222064 has 40 divisors (see below), whose sum is σ = 25755315840. Its totient is φ = 5483383488.

The previous prime is 12102222061. The next prime is 12102222079. The reversal of 12102222064 is 46022220121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102222061) 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, 858442 + ... + 872425.

It is an arithmetic number, because the mean of its divisors is an integer number (643882896).

Almost surely, 2^12102222064 is an apocalyptic number.

It is an amenable number.

12102222064 is an abundant number, since it is smaller than the sum of its proper divisors (13653093776).

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

12102222064 is a wasteful number, since it uses less digits than its factorization.

12102222064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730917 (or 1730911 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12102222064 its reverse (46022220121), we get a palindrome (58124442185).

The spelling of 12102222064 in words is "twelve billion, one hundred two million, two hundred twenty-two thousand, sixty-four".