12231201400 has 96 divisors (see below), whose sum is σ = 31231818000. Its totient is φ = 4417740800.

The previous prime is 12231201371. The next prime is 12231201401. The reversal of 12231201400 is 410213221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231201401) 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, 309144 + ... + 346456.

Almost surely, 2^12231201400 is an apocalyptic number.

12231201400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12231201400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15615909000).

12231201400 is an abundant number, since it is smaller than the sum of its proper divisors (19000616600).

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

12231201400 is a wasteful number, since it uses less digits than its factorization.

12231201400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37489 (or 37480 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12231201400 its reverse (410213221), we get a palindrome (12641414621).

The spelling of 12231201400 in words is "twelve billion, two hundred thirty-one million, two hundred one thousand, four hundred".