212140132423 has 8 divisors (see below), whose sum is σ = 226679690160. Its totient is φ = 197829544320.

The previous prime is 212140132409. The next prime is 212140132427. The reversal of 212140132423 is 324231041212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212140132423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212140132427) 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, 57240493 + ... + 57244198.

It is an arithmetic number, because the mean of its divisors is an integer number (28334961270).

Almost surely, 2^212140132423 is an apocalyptic number.

212140132423 is a deficient number, since it is larger than the sum of its proper divisors (14539557737).

212140132423 is a wasteful number, since it uses less digits than its factorization.

212140132423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114484817.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212140132423 its reverse (324231041212), we get a palindrome (536371173635).

The spelling of 212140132423 in words is "two hundred twelve billion, one hundred forty million, one hundred thirty-two thousand, four hundred twenty-three".