212420312431324 has 24 divisors (see below), whose sum is σ = 372972827425968. Its totient is φ = 105856737767040.

The previous prime is 212420312431291. The next prime is 212420312431333. The reversal of 212420312431324 is 423134213024212.

It is a self number, because there is not a number n which added to its sum of digits gives 212420312431324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874122 + ... + 20696689.

It is an arithmetic number, because the mean of its divisors is an integer number (15540534476082).

Almost surely, 2^{212420312431324} is an apocalyptic number.

It is an amenable number.

212420312431324 is a deficient number, since it is larger than the sum of its proper divisors (160552514994644).

212420312431324 is a wasteful number, since it uses less digits than its factorization.

212420312431324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22578645 (or 22578643 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 212420312431324 its reverse (423134213024212), we get a palindrome (635554525455536).

The spelling of 212420312431324 in words is "two hundred twelve trillion, four hundred twenty billion, three hundred twelve million, four hundred thirty-one thousand, three hundred twenty-four".