12220021210 has 32 divisors (see below), whose sum is σ = 23098649472. Its totient is φ = 4645692480.

The previous prime is 12220021207. The next prime is 12220021241. The reversal of 12220021210 is 1212002221.

It is a happy number.

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, 133096 + ... + 205315.

It is an arithmetic number, because the mean of its divisors is an integer number (721832796).

Almost surely, 2^12220021210 is an apocalyptic number.

12220021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220021210 is a deficient number, since it is larger than the sum of its proper divisors (10878628262).

12220021210 is a wasteful number, since it uses less digits than its factorization.

12220021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338598.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12220021210 its reverse (1212002221), we get a palindrome (13432023431).

The spelling of 12220021210 in words is "twelve billion, two hundred twenty million, twenty-one thousand, two hundred ten".