3012021123020 has 48 divisors (see below), whose sum is σ = 7784916138048. Its totient is φ = 953255036160.

The previous prime is 3012021123019. The next prime is 3012021123029. The reversal of 3012021123020 is 203211202103.

It is a self number, because there is not a number n which added to its sum of digits gives 3012021123020.

It is not an unprimeable number, because it can be changed into a prime (3012021123029) 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, 827476511 + ... + 827480150.

It is an arithmetic number, because the mean of its divisors is an integer number (162185752876).

Almost surely, 2^{3012021123020} is an apocalyptic number.

It is an amenable number.

3012021123020 is an abundant number, since it is smaller than the sum of its proper divisors (4772895015028).

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

3012021123020 is a wasteful number, since it uses less digits than its factorization.

3012021123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654956690 (or 1654956688 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 3012021123020 its reverse (203211202103), we get a palindrome (3215232325123).

The spelling of 3012021123020 in words is "three trillion, twelve billion, twenty-one million, one hundred twenty-three thousand, twenty".