3102012 has 36 divisors (see below), whose sum is σ = 7898800. Its totient is φ = 1026432.

The previous prime is 3101999. The next prime is 3102017. The reversal of 3102012 is 2102013.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 3101985 and 3102003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6948 + ... + 7380.

Almost surely, 2^3102012 is an apocalyptic number.

It is an amenable number.

3102012 is an abundant number, since it is smaller than the sum of its proper divisors (4796788).

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

3102012 is a wasteful number, since it uses less digits than its factorization.

3102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 3102012 is about 1761.2529630919. The cubic root of 3102012 is about 145.8415118860.

Adding to 3102012 its reverse (2102013), we get a palindrome (5204025).

Subtracting from 3102012 its reverse (2102013), we obtain a palindrome (999999).

The spelling of 3102012 in words is "three million, one hundred two thousand, twelve".