12211011210 has 32 divisors (see below), whose sum is σ = 30098495232. Its totient is φ = 3168262080.

The previous prime is 12211011193. The next prime is 12211011269. The reversal of 12211011210 is 1211011221.

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, 5499346 + ... + 5501565.

It is an arithmetic number, because the mean of its divisors is an integer number (940577976).

Almost surely, 2^12211011210 is an apocalyptic number.

12211011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211011210 is an abundant number, since it is smaller than the sum of its proper divisors (17887484022).

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

12211011210 is a wasteful number, since it uses less digits than its factorization.

12211011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000958.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12211011210 its reverse (1211011221), we get a palindrome (13422022431).

It can be divided in two parts, 12211011 and 210, that added together give a palindrome (12211221).

The spelling of 12211011210 in words is "twelve billion, two hundred eleven million, eleven thousand, two hundred ten".