2012112310020 has 48 divisors (see below), whose sum is σ = 5634372840768. Its totient is φ = 536519628160.

The previous prime is 2012112310007. The next prime is 2012112310037. The reversal of 2012112310020 is 200132112102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617211 + ... + 2098850.

It is an arithmetic number, because the mean of its divisors is an integer number (117382767516).

Almost surely, 2^{2012112310020} is an apocalyptic number.

2012112310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012112310020 is an abundant number, since it is smaller than the sum of its proper divisors (3622260530748).

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

2012112310020 is a wasteful number, since it uses less digits than its factorization.

2012112310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728420 (or 2728418 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2012112310020 its reverse (200132112102), we get a palindrome (2212244422122).

The spelling of 2012112310020 in words is "two trillion, twelve billion, one hundred twelve million, three hundred ten thousand, twenty".