2012312020120 has 16 divisors (see below), whose sum is σ = 4527702045360. Its totient is φ = 804924808032.

The previous prime is 2012312020073. The next prime is 2012312020133. The reversal of 2012312020120 is 210202132102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2012312020094 and 2012312020103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25153900212 + ... + 25153900291.

It is an arithmetic number, because the mean of its divisors is an integer number (282981377835).

Almost surely, 2^{2012312020120} is an apocalyptic number.

2012312020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012312020120 is an abundant number, since it is smaller than the sum of its proper divisors (2515390025240).

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

2012312020120 is a wasteful number, since it uses less digits than its factorization.

2012312020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50307800514 (or 50307800510 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2012312020120 its reverse (210202132102), we get a palindrome (2222514152222).

The spelling of 2012312020120 in words is "two trillion, twelve billion, three hundred twelve million, twenty thousand, one hundred twenty".