2012221011120 has 80 divisors (see below), whose sum is σ = 6313040439552. Its totient is φ = 530127297280.

The previous prime is 2012221011113. The next prime is 2012221011121. The reversal of 2012221011120 is 211101222102.

It is a tau number, because it is divible by the number of its divisors (80).

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 2012221011120.

It is not an unprimeable number, because it can be changed into a prime (2012221011121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50487636 + ... + 50527475.

Almost surely, 2^{2012221011120} is an apocalyptic number.

2012221011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012221011120 is an abundant number, since it is smaller than the sum of its proper divisors (4300819428432).

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

2012221011120 is a wasteful number, since it uses less digits than its factorization.

2012221011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101015210 (or 101015204 counting only the distinct ones).

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

Adding to 2012221011120 its reverse (211101222102), we get a palindrome (2223322233222).

The spelling of 2012221011120 in words is "two trillion, twelve billion, two hundred twenty-one million, eleven thousand, one hundred twenty".