12001541251 has 8 divisors (see below), whose sum is σ = 13720552544. Its totient is φ = 10283656320.

The previous prime is 12001541219. The next prime is 12001541287. The reversal of 12001541251 is 15214510021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12001541251 - 2⁵ = 12001541219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001541291) 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, 258630 + ... + 301483.

It is an arithmetic number, because the mean of its divisors is an integer number (1715069068).

Almost surely, 2^12001541251 is an apocalyptic number.

12001541251 is a deficient number, since it is larger than the sum of its proper divisors (1719011293).

12001541251 is an equidigital number, since it uses as much as digits as its factorization.

12001541251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563181.

The product of its (nonzero) digits is 400, while the sum is 22.

It can be divided in two parts, 1200 and 1541251, that added together give a palindrome (1542451).

The spelling of 12001541251 in words is "twelve billion, one million, five hundred forty-one thousand, two hundred fifty-one".