201212124324 has 24 divisors (see below), whose sum is σ = 469516733280. Its totient is φ = 67067597184.

The previous prime is 201212124307. The next prime is 201212124329. The reversal of 201212124324 is 423421212102.

It is a junction number, because it is equal to n+sod(n) for n = 201212124294 and 201212124303.

It is not an unprimeable number, because it can be changed into a prime (201212124329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111454 + ... + 644085.

It is an arithmetic number, because the mean of its divisors is an integer number (19563197220).

Almost surely, 2^201212124324 is an apocalyptic number.

It is an amenable number.

201212124324 is an abundant number, since it is smaller than the sum of its proper divisors (268304608956).

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

201212124324 is a wasteful number, since it uses less digits than its factorization.

201212124324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777739 (or 777737 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 201212124324 its reverse (423421212102), we get a palindrome (624633336426).

The spelling of 201212124324 in words is "two hundred one billion, two hundred twelve million, one hundred twenty-four thousand, three hundred twenty-four".