12324211400 has 24 divisors (see below), whose sum is σ = 28653791970. Its totient is φ = 4929684480.

The previous prime is 12324211399. The next prime is 12324211409. The reversal of 12324211400 is 411242321.

It can be written as a sum of positive squares in 3 ways, for example, as 9926933956 + 2397277444 = 99634^2 + 48962^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12324211409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30810329 + ... + 30810728.

Almost surely, 2^12324211400 is an apocalyptic number.

12324211400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12324211400 is an abundant number, since it is smaller than the sum of its proper divisors (16329580570).

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

12324211400 is a wasteful number, since it uses less digits than its factorization.

12324211400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61621073 (or 61621064 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12324211400 its reverse (411242321), we get a palindrome (12735453721).

The spelling of 12324211400 in words is "twelve billion, three hundred twenty-four million, two hundred eleven thousand, four hundred".