212401431224 has 64 divisors (see below), whose sum is σ = 429205392000. Its totient is φ = 98215770240.

The previous prime is 212401431199. The next prime is 212401431239. The reversal of 212401431224 is 422134104212.

It is a super-2 number, since 2×212401431224² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212401431193 and 212401431202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12926534 + ... + 12942954.

It is an arithmetic number, because the mean of its divisors is an integer number (6706334250).

Almost surely, 2^212401431224 is an apocalyptic number.

It is an amenable number.

212401431224 is an abundant number, since it is smaller than the sum of its proper divisors (216803960776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212401431224 is a wasteful number, since it uses less digits than its factorization.

212401431224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18468 (or 18464 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 212401431224 its reverse (422134104212), we get a palindrome (634535535436).

The spelling of 212401431224 in words is "two hundred twelve billion, four hundred one million, four hundred thirty-one thousand, two hundred twenty-four".