12003040342650 has 192 divisors, whose sum is σ = 35339202074880. Its totient is φ = 2637953740800.

The previous prime is 12003040342649. The next prime is 12003040342697. The reversal of 12003040342650 is 5624304030021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6520632 + ... + 8156268.

It is an arithmetic number, because the mean of its divisors is an integer number (184058344140).

Almost surely, 2^{12003040342650} is an apocalyptic number.

12003040342650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12003040342650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17669601037440).

12003040342650 is an abundant number, since it is smaller than the sum of its proper divisors (23336161732230).

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

12003040342650 is a wasteful number, since it uses less digits than its factorization.

12003040342650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635929 (or 1635924 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 12003040342650 its reverse (5624304030021), we get a palindrome (17627344372671).

The spelling of 12003040342650 in words is "twelve trillion, three billion, forty million, three hundred forty-two thousand, six hundred fifty".