2030012123220 has 144 divisors (see below), whose sum is σ = 6228982665360. Its totient is φ = 535074355200.

The previous prime is 2030012123207. The next prime is 2030012123221. The reversal of 2030012123220 is 223212100302.

2030012123220 is a `hidden beast` number, since 2 + 0 + 300 + 121 + 23 + 220 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 282841021584 + 1747171101636 = 531828^2 + 1321806^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2030012123193 and 2030012123202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030012123221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51580750 + ... + 51620090.

It is an arithmetic number, because the mean of its divisors is an integer number (43256824065).

Almost surely, 2^{2030012123220} is an apocalyptic number.

2030012123220 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 2030012123220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3114491332680).

2030012123220 is an abundant number, since it is smaller than the sum of its proper divisors (4198970542140).

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

2030012123220 is a wasteful number, since it uses less digits than its factorization.

2030012123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42666 (or 42661 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2030012123220 its reverse (223212100302), we get a palindrome (2253224223522).

The spelling of 2030012123220 in words is "two trillion, thirty billion, twelve million, one hundred twenty-three thousand, two hundred twenty".