12201211670 has 8 divisors (see below), whose sum is σ = 21962181024. Its totient is φ = 4880484664.

The previous prime is 12201211669. The next prime is 12201211699. The reversal of 12201211670 is 7611210221.

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

It is a super-2 number, since 2×12201211670² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610060574 + ... + 610060593.

It is an arithmetic number, because the mean of its divisors is an integer number (2745272628).

Almost surely, 2^12201211670 is an apocalyptic number.

12201211670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201211670 is a deficient number, since it is larger than the sum of its proper divisors (9760969354).

12201211670 is a wasteful number, since it uses less digits than its factorization.

12201211670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220121174.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 12201211670 its reverse (7611210221), we get a palindrome (19812421891).

The spelling of 12201211670 in words is "twelve billion, two hundred one million, two hundred eleven thousand, six hundred seventy".