2130312132123 has 16 divisors (see below), whose sum is σ = 3246764541696. Its totient is φ = 1217105733600.

The previous prime is 2130312132083. The next prime is 2130312132149. The reversal of 2130312132123 is 3212312130312.

It is not a de Polignac number, because 2130312132123 - 2¹² = 2130312128027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130312132093 and 2130312132102.

It is not an unprimeable number, because it can be changed into a prime (2130312132323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8857036 + ... + 9094377.

It is an arithmetic number, because the mean of its divisors is an integer number (202922783856).

Almost surely, 2^{2130312132123} is an apocalyptic number.

2130312132123 is a deficient number, since it is larger than the sum of its proper divisors (1116452409573).

2130312132123 is a wasteful number, since it uses less digits than its factorization.

2130312132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17957074.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2130312132123 its reverse (3212312130312), we get a palindrome (5342624262435).

The spelling of 2130312132123 in words is "two trillion, one hundred thirty billion, three hundred twelve million, one hundred thirty-two thousand, one hundred twenty-three".