3100111123212 has 108 divisors (see below), whose sum is σ = 8325575994736. Its totient is φ = 972454878720.

The previous prime is 3100111123009. The next prime is 3100111123247. The reversal of 3100111123212 is 2123211110013.

3100111123212 is a `hidden beast` number, since 310 + 0 + 1 + 111 + 232 + 12 = 666.

It is a super-2 number, since 2×3100111123212² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 35 ways as a sum of consecutive naturals, for example, 105492273 + ... + 105521655.

Almost surely, 2^{3100111123212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3100111123212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4162787997368).

3100111123212 is an abundant number, since it is smaller than the sum of its proper divisors (5225464871524).

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

3100111123212 is a wasteful number, since it uses less digits than its factorization.

3100111123212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39568 (or 39546 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 3100111123212 its reverse (2123211110013), we get a palindrome (5223322233225).

The spelling of 3100111123212 in words is "three trillion, one hundred billion, one hundred eleven million, one hundred twenty-three thousand, two hundred twelve".