3012211020 has 192 divisors, whose sum is σ = 10408559616. Its totient is φ = 633830400.

The previous prime is 3012211003. The next prime is 3012211021. The reversal of 3012211020 is 201122103.

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

It is a junction number, because it is equal to n+sod(n) for n = 3012210987 and 3012211005.

It is not an unprimeable number, because it can be changed into a prime (3012211021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3827067 + ... + 3827853.

It is an arithmetic number, because the mean of its divisors is an integer number (54211248).

Almost surely, 2^3012211020 is an apocalyptic number.

3012211020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3012211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5204279808).

3012211020 is an abundant number, since it is smaller than the sum of its proper divisors (7396348596).

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

3012211020 is a wasteful number, since it uses less digits than its factorization.

3012211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1518 counting only the distinct ones).

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

The square root of 3012211020 is about 54883.6134014516. The cubic root of 3012211020 is about 1444.2037366989.

Adding to 3012211020 its reverse (201122103), we get a palindrome (3213333123).

The spelling of 3012211020 in words is "three billion, twelve million, two hundred eleven thousand, twenty".