3101000001012 has 72 divisors (see below), whose sum is σ = 7876302479136. Its totient is φ = 1028703668544.

The previous prime is 3101000000947. The next prime is 3101000001017. The reversal of 3101000001012 is 2101000001013.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 3101000000985 and 3101000001003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101000001017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20821603 + ... + 20970005.

It is an arithmetic number, because the mean of its divisors is an integer number (109393089988).

Almost surely, 2^{3101000001012} is an apocalyptic number.

It is an amenable number.

3101000001012 is an abundant number, since it is smaller than the sum of its proper divisors (4775302478124).

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

3101000001012 is a wasteful number, since it uses less digits than its factorization.

3101000001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151197 (or 151192 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 3101000001012 its reverse (2101000001013), we get a palindrome (5202000002025).

Subtracting from 3101000001012 its reverse (2101000001013), we obtain a palindrome (999999999999).

The spelling of 3101000001012 in words is "three trillion, one hundred one billion, one thousand, twelve".