212430201231 has 32 divisors (see below), whose sum is σ = 289466956800. Its totient is φ = 138543874560.

The previous prime is 212430201227. The next prime is 212430201253. The reversal of 212430201231 is 132102034212.

It is not a de Polignac number, because 212430201231 - 2² = 212430201227 is a prime.

It is a super-2 number, since 2×212430201231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212430201198 and 212430201207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212430201131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17157115 + ... + 17169491.

It is an arithmetic number, because the mean of its divisors is an integer number (9045842400).

Almost surely, 2^212430201231 is an apocalyptic number.

212430201231 is a deficient number, since it is larger than the sum of its proper divisors (77036755569).

212430201231 is a wasteful number, since it uses less digits than its factorization.

212430201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13119.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212430201231 its reverse (132102034212), we get a palindrome (344532235443).

The spelling of 212430201231 in words is "two hundred twelve billion, four hundred thirty million, two hundred one thousand, two hundred thirty-one".