2012011212120 has 128 divisors (see below), whose sum is σ = 7428964515840. Its totient is φ = 424512253440.

The previous prime is 2012011212089. The next prime is 2012011212137. The reversal of 2012011212120 is 212121102102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2012011212120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92114136 + ... + 92135975.

It is an arithmetic number, because the mean of its divisors is an integer number (58038785280).

Almost surely, 2^{2012011212120} is an apocalyptic number.

2012011212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012011212120 is an abundant number, since it is smaller than the sum of its proper divisors (5416953303720).

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

2012011212120 is a wasteful number, since it uses less digits than its factorization.

2012011212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184250145 (or 184250141 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2012011212120 its reverse (212121102102), we get a palindrome (2224132314222).

The spelling of 2012011212120 in words is "two trillion, twelve billion, eleven million, two hundred twelve thousand, one hundred twenty".