2123030220000 has 120 divisors (see below), whose sum is σ = 6963963924456. Its totient is φ = 566141376000.

The previous prime is 2123030219993. The next prime is 2123030220007. The reversal of 2123030220000 is 220303212.

It is an interprime number because it is at equal distance from previous prime (2123030219993) and next prime (2123030220007).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123030220007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17631919 + ... + 17751918.

Almost surely, 2^{2123030220000} is an apocalyptic number.

2123030220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123030220000 is an abundant number, since it is smaller than the sum of its proper divisors (4840933704456).

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

2123030220000 is an equidigital number, since it uses as much as digits as its factorization.

2123030220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35383870 (or 35383847 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 2123030220000 its reverse (220303212), we get a palindrome (2123250523212).

The spelling of 2123030220000 in words is "two trillion, one hundred twenty-three billion, thirty million, two hundred twenty thousand".