12001363136 has 28 divisors (see below), whose sum is σ = 27217378128. Its totient is φ = 5143441152.

The previous prime is 12001363133. The next prime is 12001363139. The reversal of 12001363136 is 63136310021.

It is an interprime number because it is at equal distance from previous prime (12001363133) and next prime (12001363139).

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (12001363133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13393931 + ... + 13394826.

Almost surely, 2^12001363136 is an apocalyptic number.

12001363136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12001363136 is an abundant number, since it is smaller than the sum of its proper divisors (15216014992).

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

12001363136 is an equidigital number, since it uses as much as digits as its factorization.

12001363136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26788776 (or 26788766 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 12001363136 its reverse (63136310021), we get a palindrome (75137673157).

The spelling of 12001363136 in words is "twelve billion, one million, three hundred sixty-three thousand, one hundred thirty-six".