3012310220420 has 96 divisors (see below), whose sum is σ = 6681772339200. Its totient is φ = 1137572481024.

The previous prime is 3012310220407. The next prime is 3012310220461. The reversal of 3012310220420 is 240220132103.

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 = 3012310220392 and 3012310220401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187593032 + ... + 187609088.

It is an arithmetic number, because the mean of its divisors is an integer number (69601795200).

Almost surely, 2^{3012310220420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3012310220420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3340886169600).

3012310220420 is an abundant number, since it is smaller than the sum of its proper divisors (3669462118780).

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

3012310220420 is a wasteful number, since it uses less digits than its factorization.

3012310220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17757 (or 17755 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 3012310220420 its reverse (240220132103), we get a palindrome (3252530352523).

The spelling of 3012310220420 in words is "three trillion, twelve billion, three hundred ten million, two hundred twenty thousand, four hundred twenty".