2012000012220 has 48 divisors (see below), whose sum is σ = 6145745493888. Its totient is φ = 487757578560.

The previous prime is 2012000012167. The next prime is 2012000012251. The reversal of 2012000012220 is 222100002102.

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 = 2012000012196 and 2012000012205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1524241774 + ... + 1524243093.

It is an arithmetic number, because the mean of its divisors is an integer number (128036364456).

Almost surely, 2^{2012000012220} is an apocalyptic number.

2012000012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012000012220 is an abundant number, since it is smaller than the sum of its proper divisors (4133745481668).

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

2012000012220 is a wasteful number, since it uses less digits than its factorization.

2012000012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048484890 (or 3048484888 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2012000012220 its reverse (222100002102), we get a palindrome (2234100014322).

The spelling of 2012000012220 in words is "two trillion, twelve billion, twelve thousand, two hundred twenty".