12201222011 has 8 divisors (see below), whose sum is σ = 13311997248. Its totient is φ = 11090709000.

The previous prime is 12201221983. The next prime is 12201222037. The reversal of 12201222011 is 11022210221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12201222011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201222311) 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, 38996 + ... + 161006.

It is an arithmetic number, because the mean of its divisors is an integer number (1663999656).

Almost surely, 2^12201222011 is an apocalyptic number.

12201222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12201222011 is a deficient number, since it is larger than the sum of its proper divisors (1110775237).

12201222011 is a wasteful number, since it uses less digits than its factorization.

12201222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131113.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12201222011 its reverse (11022210221), we get a palindrome (23223432232).

The spelling of 12201222011 in words is "twelve billion, two hundred one million, two hundred twenty-two thousand, eleven".