2012101323020 has 24 divisors (see below), whose sum is σ = 4225467106224. Its totient is φ = 804830181056.

The previous prime is 2012101323013. The next prime is 2012101323031. The reversal of 2012101323020 is 203231012102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012101323020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057139 + ... + 2267541.

It is an arithmetic number, because the mean of its divisors is an integer number (176061129426).

Almost surely, 2^{2012101323020} is an apocalyptic number.

2012101323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012101323020 is an abundant number, since it is smaller than the sum of its proper divisors (2213365783204).

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

2012101323020 is a wasteful number, since it uses less digits than its factorization.

2012101323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293529 (or 1293527 counting only the distinct ones).

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

Adding to 2012101323020 its reverse (203231012102), we get a palindrome (2215332335122).

The spelling of 2012101323020 in words is "two trillion, twelve billion, one hundred one million, three hundred twenty-three thousand, twenty".