3012121212 has 48 divisors (see below), whose sum is σ = 7129076640. Its totient is φ = 989724672.

The previous prime is 3012121207. The next prime is 3012121213. The reversal of 3012121212 is 2121212103.

3012121212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

3012121212 is a modest number, since divided by 121212 gives 3012 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 3012121191 and 3012121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012121213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294114 + ... + 304182.

It is an arithmetic number, because the mean of its divisors is an integer number (148522430).

Almost surely, 2^3012121212 is an apocalyptic number.

It is an amenable number.

3012121212 is an abundant number, since it is smaller than the sum of its proper divisors (4116955428).

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

3012121212 is a wasteful number, since it uses less digits than its factorization.

3012121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10430 (or 10428 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3012121212 is about 54882.7952276485. The cubic root of 3012121212 is about 1444.1893837494.

Adding to 3012121212 its reverse (2121212103), we get a palindrome (5133333315).

The spelling of 3012121212 in words is "three billion, twelve million, one hundred twenty-one thousand, two hundred twelve".