12030615001040 has 20 divisors (see below), whose sum is σ = 27971179877604. Its totient is φ = 4812246000384.

The previous prime is 12030615001019. The next prime is 12030615001049. The reversal of 12030615001040 is 4010051603021.

It can be written as a sum of positive squares in 2 ways, for example, as 7331119420816 + 4699495580224 = 2707604^2 + 2167832^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 12030615000997 and 12030615001015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030615001049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75191343677 + ... + 75191343836.

Almost surely, 2^{12030615001040} is an apocalyptic number.

12030615001040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030615001040 is an abundant number, since it is smaller than the sum of its proper divisors (15940564876564).

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

12030615001040 is a wasteful number, since it uses less digits than its factorization.

12030615001040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150382687526 (or 150382687520 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 12030615001040 its reverse (4010051603021), we get a palindrome (16040666604061).

The spelling of 12030615001040 in words is "twelve trillion, thirty billion, six hundred fifteen million, one thousand, forty".