12030542415 has 48 divisors (see below), whose sum is σ = 22209821088. Its totient is φ = 6242852736.

The previous prime is 12030542387. The next prime is 12030542471. The reversal of 12030542415 is 51424503021.

12030542415 is a `hidden beast` number, since 1 + 203 + 0 + 5 + 42 + 415 = 666.

It is not a de Polignac number, because 12030542415 - 2⁶ = 12030542351 is a prime.

It is a super-2 number, since 2×12030542415² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88852 + ... + 178761.

It is an arithmetic number, because the mean of its divisors is an integer number (462704606).

Almost surely, 2^12030542415 is an apocalyptic number.

12030542415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12030542415 is a deficient number, since it is larger than the sum of its proper divisors (10179278673).

12030542415 is an equidigital number, since it uses as much as digits as its factorization.

12030542415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267670 (or 267658 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 12030542415 in words is "twelve billion, thirty million, five hundred forty-two thousand, four hundred fifteen".