12102214220 has 48 divisors (see below), whose sum is σ = 25517092608. Its totient is φ = 4821420480.

The previous prime is 12102214183. The next prime is 12102214259. The reversal of 12102214220 is 2241220121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6608705 + ... + 6610535.

It is an arithmetic number, because the mean of its divisors is an integer number (531606096).

Almost surely, 2^12102214220 is an apocalyptic number.

12102214220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102214220 is an abundant number, since it is smaller than the sum of its proper divisors (13414878388).

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

12102214220 is a wasteful number, since it uses less digits than its factorization.

12102214220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990 (or 2988 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12102214220 its reverse (2241220121), we get a palindrome (14343434341).

The spelling of 12102214220 in words is "twelve billion, one hundred two million, two hundred fourteen thousand, two hundred twenty".