12150211400 has 96 divisors (see below), whose sum is σ = 28504872000. Its totient is φ = 4816331520.

The previous prime is 12150211399. The next prime is 12150211421. The reversal of 12150211400 is 411205121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14144171 + ... + 14145029.

It is an arithmetic number, because the mean of its divisors is an integer number (296925750).

Almost surely, 2^12150211400 is an apocalyptic number.

12150211400 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 12150211400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14252436000).

12150211400 is an abundant number, since it is smaller than the sum of its proper divisors (16354660600).

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

12150211400 is a wasteful number, since it uses less digits than its factorization.

12150211400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 12150211400 its reverse (411205121), we get a palindrome (12561416521).

The spelling of 12150211400 in words is "twelve billion, one hundred fifty million, two hundred eleven thousand, four hundred".