3101020212 has 12 divisors (see below), whose sum is σ = 7235713856. Its totient is φ = 1033673400.

The previous prime is 3101020193. The next prime is 3101020249. The reversal of 3101020212 is 2120201013.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 258418351 = 3101020212 / (3 + 1 + 0 + 1 + 0 + 2 + 0 + 2 + 1 + 2).

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, 129209164 + ... + 129209187.

Almost surely, 2^3101020212 is an apocalyptic number.

It is an amenable number.

3101020212 is an abundant number, since it is smaller than the sum of its proper divisors (4134693644).

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

3101020212 is a wasteful number, since it uses less digits than its factorization.

3101020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258418358 (or 258418356 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3101020212 is about 55686.8046488573. The cubic root of 3101020212 is about 1458.2596721375.

Adding to 3101020212 its reverse (2120201013), we get a palindrome (5221221225).

The spelling of 3101020212 in words is "three billion, one hundred one million, twenty thousand, two hundred twelve".