3021001212 has 48 divisors (see below), whose sum is σ = 7340884992. Its totient is φ = 965879040.

The previous prime is 3021001211. The next prime is 3021001231. The reversal of 3021001212 is 2121001203.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021001211) 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, 6103 + ... + 77969.

It is an arithmetic number, because the mean of its divisors is an integer number (152935104).

Almost surely, 2^3021001212 is an apocalyptic number.

It is an amenable number.

3021001212 is an abundant number, since it is smaller than the sum of its proper divisors (4319883780).

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

3021001212 is a wasteful number, since it uses less digits than its factorization.

3021001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72018 (or 72016 counting only the distinct ones).

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

The square root of 3021001212 is about 54963.6353601179. The cubic root of 3021001212 is about 1445.6071907737.

Adding to 3021001212 its reverse (2121001203), we get a palindrome (5142002415).

Subtracting from 3021001212 its reverse (2121001203), we obtain a palindrome (900000009).

The spelling of 3021001212 in words is "three billion, twenty-one million, one thousand, two hundred twelve".