12211101210 has 64 divisors (see below), whose sum is σ = 36538159104. Its totient is φ = 2537371200.

The previous prime is 12211101209. The next prime is 12211101233. The reversal of 12211101210 is 1210111221.

It is a super-2 number, since 2×12211101210² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2640786 + ... + 2645405.

It is an arithmetic number, because the mean of its divisors is an integer number (570908736).

Almost surely, 2^12211101210 is an apocalyptic number.

12211101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211101210 is an abundant number, since it is smaller than the sum of its proper divisors (24327057894).

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

12211101210 is a wasteful number, since it uses less digits than its factorization.

12211101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286219.

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

Adding to 12211101210 its reverse (1210111221), we get a palindrome (13421212431).

The spelling of 12211101210 in words is "twelve billion, two hundred eleven million, one hundred one thousand, two hundred ten".