2120001023200 has 36 divisors (see below), whose sum is σ = 5175452499840. Its totient is φ = 848000408960.

The previous prime is 2120001023191. The next prime is 2120001023207. The reversal of 2120001023200 is 23201000212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120001023207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1324999840 + ... + 1325001439.

It is an arithmetic number, because the mean of its divisors is an integer number (143762569440).

Almost surely, 2^{2120001023200} is an apocalyptic number.

2120001023200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120001023200 is an abundant number, since it is smaller than the sum of its proper divisors (3055451476640).

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

2120001023200 is a wasteful number, since it uses less digits than its factorization.

2120001023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650001299 (or 2650001286 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2120001023200 its reverse (23201000212), we get a palindrome (2143202023412).

The spelling of 2120001023200 in words is "two trillion, one hundred twenty billion, one million, twenty-three thousand, two hundred".