12001136015403 has 8 divisors (see below), whose sum is σ = 17779460763600. Its totient is φ = 8000757343584.

The previous prime is 12001136015399. The next prime is 12001136015423. The reversal of 12001136015403 is 30451063110021.

It is a happy number.

12001136015403 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 1 + 1 + 3 + 601 + 54 + 0 + 3 = 666.

It is not a de Polignac number, because 12001136015403 - 2² = 12001136015399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 444486519089 = 12001136015403 / (1 + 2 + 0 + 0 + 1 + 1 + 3 + 6 + 0 + 1 + 5 + 4 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (12001136015423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222243259518 + ... + 222243259571.

It is an arithmetic number, because the mean of its divisors is an integer number (2222432595450).

Almost surely, 2^{12001136015403} is an apocalyptic number.

12001136015403 is a deficient number, since it is larger than the sum of its proper divisors (5778324748197).

12001136015403 is an equidigital number, since it uses as much as digits as its factorization.

12001136015403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444486519098 (or 444486519092 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 12001136015403 its reverse (30451063110021), we get a palindrome (42452199125424).

The spelling of 12001136015403 in words is "twelve trillion, one billion, one hundred thirty-six million, fifteen thousand, four hundred three".