212140234110123 has 24 divisors (see below), whose sum is σ = 334282825871280. Its totient is φ = 128569360066560.

The previous prime is 212140234110089. The next prime is 212140234110127. The reversal of 212140234110123 is 321011432041212.

212140234110123 is a `hidden beast` number, since 2 + 1 + 21 + 402 + 3 + 4 + 110 + 123 = 666.

It is not a de Polignac number, because 212140234110123 - 2³⁰ = 212139160368299 is a prime.

It is a super-3 number, since 3×212140234110123³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (212140234110127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23694283 + ... + 31395851.

It is an arithmetic number, because the mean of its divisors is an integer number (13928451077970).

Almost surely, 2^{212140234110123} is an apocalyptic number.

212140234110123 is a deficient number, since it is larger than the sum of its proper divisors (122142591761157).

212140234110123 is a wasteful number, since it uses less digits than its factorization.

212140234110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7979819 (or 7979816 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 212140234110123 its reverse (321011432041212), we get a palindrome (533151666151335).

The spelling of 212140234110123 in words is "two hundred twelve trillion, one hundred forty billion, two hundred thirty-four million, one hundred ten thousand, one hundred twenty-three".