3012131320220 has 48 divisors (see below), whose sum is σ = 7263704246400. Its totient is φ = 1037672032320.

The previous prime is 3012131320169. The next prime is 3012131320223. The reversal of 3012131320220 is 220231312103.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3012131320192 and 3012131320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012131320223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360298610 + ... + 360306969.

It is an arithmetic number, because the mean of its divisors is an integer number (151327171800).

Almost surely, 2^{3012131320220} is an apocalyptic number.

It is an amenable number.

3012131320220 is an abundant number, since it is smaller than the sum of its proper divisors (4251572926180).

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

3012131320220 is a wasteful number, since it uses less digits than its factorization.

3012131320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720605618 (or 720605616 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3012131320220 its reverse (220231312103), we get a palindrome (3232362632323).

The spelling of 3012131320220 in words is "three trillion, twelve billion, one hundred thirty-one million, three hundred twenty thousand, two hundred twenty".