2109231127800 has 768 divisors, whose sum is σ = 7632844800000. Its totient is φ = 534715084800.

The previous prime is 2109231127793. The next prime is 2109231127867. The reversal of 2109231127800 is 87211329012.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4615385172 + ... + 4615385628.

It is an arithmetic number, because the mean of its divisors is an integer number (9938600000).

Almost surely, 2^{2109231127800} is an apocalyptic number.

2109231127800 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 2109231127800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3816422400000).

2109231127800 is an abundant number, since it is smaller than the sum of its proper divisors (5523613672200).

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

2109231127800 is a wasteful number, since it uses less digits than its factorization.

2109231127800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 2109231127800 in words is "two trillion, one hundred nine billion, two hundred thirty-one million, one hundred twenty-seven thousand, eight hundred".