2131212606423 has 8 divisors (see below), whose sum is σ = 2842513513200. Its totient is φ = 1420360051968.

The previous prime is 2131212606409. The next prime is 2131212606499. The reversal of 2131212606423 is 3246062121312.

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

It is not a de Polignac number, because 2131212606423 - 2⁴ = 2131212606407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131212608423) 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, 112076988 + ... + 112096001.

It is an arithmetic number, because the mean of its divisors is an integer number (355314189150).

Almost surely, 2^{2131212606423} is an apocalyptic number.

2131212606423 is a deficient number, since it is larger than the sum of its proper divisors (711300906777).

2131212606423 is a wasteful number, since it uses less digits than its factorization.

2131212606423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224176161.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 2131212606423 its reverse (3246062121312), we get a palindrome (5377274727735).

The spelling of 2131212606423 in words is "two trillion, one hundred thirty-one billion, two hundred twelve million, six hundred six thousand, four hundred twenty-three".