212131244423004 has 96 divisors (see below), whose sum is σ = 520717215320064. Its totient is φ = 67120634530560.

The previous prime is 212131244422991. The next prime is 212131244423069. The reversal of 212131244423004 is 400324442131212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73565362 + ... + 76394534.

It is an arithmetic number, because the mean of its divisors is an integer number (5424137659584).

Almost surely, 2^{212131244423004} is an apocalyptic number.

It is an amenable number.

212131244423004 is an abundant number, since it is smaller than the sum of its proper divisors (308585970897060).

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

212131244423004 is a wasteful number, since it uses less digits than its factorization.

212131244423004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833067 (or 2833065 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 212131244423004 its reverse (400324442131212), we get a palindrome (612455686554216).

The spelling of 212131244423004 in words is "two hundred twelve trillion, one hundred thirty-one billion, two hundred forty-four million, four hundred twenty-three thousand, four".