3201111123212 has 24 divisors (see below), whose sum is σ = 5639440719360. Its totient is φ = 1589843840400.

The previous prime is 3201111123167. The next prime is 3201111123229. The reversal of 3201111123212 is 2123211111023.

It is a super-2 number, since 2×3201111123212² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8747213 + ... + 9105819.

It is an arithmetic number, because the mean of its divisors is an integer number (234976696640).

Almost surely, 2^{3201111123212} is an apocalyptic number.

It is an amenable number.

3201111123212 is a deficient number, since it is larger than the sum of its proper divisors (2438329596148).

3201111123212 is a wasteful number, since it uses less digits than its factorization.

3201111123212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373541 (or 373539 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 3201111123212 its reverse (2123211111023), we get a palindrome (5324322234235).

The spelling of 3201111123212 in words is "three trillion, two hundred one billion, one hundred eleven million, one hundred twenty-three thousand, two hundred twelve".