2126123523500 has 24 divisors (see below), whose sum is σ = 4643453776416. Its totient is φ = 850449409200.

The previous prime is 2126123523499. The next prime is 2126123523509. The reversal of 2126123523500 is 53253216212.

It is not an unprimeable number, because it can be changed into a prime (2126123523509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126123024 + ... + 2126124023.

It is an arithmetic number, because the mean of its divisors is an integer number (193477240684).

Almost surely, 2^{2126123523500} is an apocalyptic number.

2126123523500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126123523500 is an abundant number, since it is smaller than the sum of its proper divisors (2517330252916).

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

2126123523500 is a wasteful number, since it uses less digits than its factorization.

2126123523500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252247066 (or 4252247054 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 2126123523500 its reverse (53253216212), we get a palindrome (2179376739712).

The spelling of 2126123523500 in words is "two trillion, one hundred twenty-six billion, one hundred twenty-three million, five hundred twenty-three thousand, five hundred".