12154150000 has 240 divisors, whose sum is σ = 31734218880. Its totient is φ = 4492800000.

The previous prime is 12154149991. The next prime is 12154150007. The reversal of 12154150000 is 5145121.

It is a self number, because there is not a number n which added to its sum of digits gives 12154150000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154150007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67149910 + ... + 67150090.

It is an arithmetic number, because the mean of its divisors is an integer number (132225912).

Almost surely, 2^12154150000 is an apocalyptic number.

12154150000 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 12154150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15867109440).

12154150000 is an abundant number, since it is smaller than the sum of its proper divisors (19580068880).

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

12154150000 is an equidigital number, since it uses as much as digits as its factorization.

12154150000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 12154150000 its reverse (5145121), we get a palindrome (12159295121).

The spelling of 12154150000 in words is "twelve billion, one hundred fifty-four million, one hundred fifty thousand".