212424334413401 has 24 divisors (see below), whose sum is σ = 234050139917832. Its totient is φ = 192651281222400.

The previous prime is 212424334413367. The next prime is 212424334413439. The reversal of 212424334413401 is 104314433424212.

It can be written as a sum of positive squares in 4 ways, for example, as 206078973413401 + 6345361000000 = 14355451^2 + 2519000^2 .

It is a de Polignac number, because none of the positive numbers 2^k-212424334413401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212424334413301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88349021 + ... + 90721541.

It is an arithmetic number, because the mean of its divisors is an integer number (9752089163243).

Almost surely, 2^{212424334413401} is an apocalyptic number.

It is an amenable number.

212424334413401 is a deficient number, since it is larger than the sum of its proper divisors (21625805504431).

212424334413401 is a wasteful number, since it uses less digits than its factorization.

212424334413401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374313 (or 2374302 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 212424334413401 its reverse (104314433424212), we get a palindrome (316738767837613).

The spelling of 212424334413401 in words is "two hundred twelve trillion, four hundred twenty-four billion, three hundred thirty-four million, four hundred thirteen thousand, four hundred one".