2112002020000 has 120 divisors (see below), whose sum is σ = 5198090494212. Its totient is φ = 844435200000.

The previous prime is 2112002019991. The next prime is 2112002020057. The reversal of 2112002020000 is 202002112.

It can be written as a sum of positive squares in 10 ways, for example, as 475884744336 + 1636117275664 = 689844^2 + 1279108^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48798370 + ... + 48841630.

Almost surely, 2^{2112002020000} is an apocalyptic number.

2112002020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112002020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2599045247106).

2112002020000 is an abundant number, since it is smaller than the sum of its proper divisors (3086088474212).

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

2112002020000 is an equidigital number, since it uses as much as digits as its factorization.

2112002020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45732 (or 45709 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2112002020000 its reverse (202002112), we get a palindrome (2112204022112).

It can be divided in two parts, 21 and 12002020000, that added together give a palindrome (12002020021).

The spelling of 2112002020000 in words is "two trillion, one hundred twelve billion, two million, twenty thousand".