2130123044400 has 120 divisors (see below), whose sum is σ = 7348378371600. Its totient is φ = 524337976320.

The previous prime is 2130123044381. The next prime is 2130123044431. The reversal of 2130123044400 is 44403210312.

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 (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68257575 + ... + 68288774.

It is an arithmetic number, because the mean of its divisors is an integer number (61236486430).

Almost surely, 2^{2130123044400} is an apocalyptic number.

2130123044400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130123044400 is an abundant number, since it is smaller than the sum of its proper divisors (5218255327200).

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

2130123044400 is a wasteful number, since it uses less digits than its factorization.

2130123044400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136546383 (or 136546372 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2130123044400 its reverse (44403210312), we get a palindrome (2174526254712).

The spelling of 2130123044400 in words is "two trillion, one hundred thirty billion, one hundred twenty-three million, forty-four thousand, four hundred".