2012311002020 has 48 divisors (see below), whose sum is σ = 4633422792768. Its totient is φ = 728034975360.

The previous prime is 2012311001971. The next prime is 2012311002029. The reversal of 2012311002020 is 202001132102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2012311001986 and 2012311002004.

It is not an unprimeable number, because it can be changed into a prime (2012311002029) 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, 23172062 + ... + 23258741.

It is an arithmetic number, because the mean of its divisors is an integer number (96529641516).

Almost surely, 2^{2012311002020} is an apocalyptic number.

2012311002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012311002020 is an abundant number, since it is smaller than the sum of its proper divisors (2621111790748).

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

2012311002020 is a wasteful number, since it uses less digits than its factorization.

2012311002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46431020 (or 46431018 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2012311002020 its reverse (202001132102), we get a palindrome (2214312134122).

The spelling of 2012311002020 in words is "two trillion, twelve billion, three hundred eleven million, two thousand, twenty".