2012011200120 has 128 divisors (see below), whose sum is σ = 6055628040000. Its totient is φ = 534797352960.

The previous prime is 2012011200103. The next prime is 2012011200169. The reversal of 2012011200120 is 210021102102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2012011200096 and 2012011200105.

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, 48056956 + ... + 48098804.

Almost surely, 2^{2012011200120} is an apocalyptic number.

2012011200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012011200120 is an abundant number, since it is smaller than the sum of its proper divisors (4043616839880).

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

2012011200120 is a wasteful number, since it uses less digits than its factorization.

2012011200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43153 (or 43149 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2012011200120 its reverse (210021102102), we get a palindrome (2222032302222).

The spelling of 2012011200120 in words is "two trillion, twelve billion, eleven million, two hundred thousand, one hundred twenty".