212023114431 has 16 divisors (see below), whose sum is σ = 287537644800. Its totient is φ = 138929475008.

The previous prime is 212023114409. The next prime is 212023114439. The reversal of 212023114431 is 134411320212.

It is a cyclic number.

It is not a de Polignac number, because 212023114431 - 2¹⁴ = 212023098047 is a prime.

It is a super-2 number, since 2×212023114431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212023114439) 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, 979390 + ... + 1176116.

It is an arithmetic number, because the mean of its divisors is an integer number (17971102800).

Almost surely, 2^212023114431 is an apocalyptic number.

212023114431 is a deficient number, since it is larger than the sum of its proper divisors (75514530369).

212023114431 is a wasteful number, since it uses less digits than its factorization.

212023114431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202878.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 212023114431 its reverse (134411320212), we get a palindrome (346434434643).

The spelling of 212023114431 in words is "two hundred twelve billion, twenty-three million, one hundred fourteen thousand, four hundred thirty-one".