3012131302220 has 12 divisors (see below), whose sum is σ = 6325475734704. Its totient is φ = 1204852520880.

The previous prime is 3012131302163. The next prime is 3012131302237. The reversal of 3012131302220 is 222031312103.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 150606565111 = 3012131302220 / (3 + 0 + 1 + 2 + 1 + 3 + 1 + 3 + 0 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 3012131302192 and 3012131302201.

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, 75303282536 + ... + 75303282575.

It is an arithmetic number, because the mean of its divisors is an integer number (527122977892).

Almost surely, 2^{3012131302220} is an apocalyptic number.

It is an amenable number.

3012131302220 is an abundant number, since it is smaller than the sum of its proper divisors (3313344432484).

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

3012131302220 is a wasteful number, since it uses less digits than its factorization.

3012131302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150606565120 (or 150606565118 counting only the distinct ones).

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

Adding to 3012131302220 its reverse (222031312103), we get a palindrome (3234162614323).

The spelling of 3012131302220 in words is "three trillion, twelve billion, one hundred thirty-one million, three hundred two thousand, two hundred twenty".