12251051501 has 12 divisors (see below), whose sum is σ = 13269110400. Its totient is φ = 11305953360.

The previous prime is 12251051473. The next prime is 12251051507. The reversal of 12251051501 is 10515015221.

It is not a de Polignac number, because 12251051501 - 2¹⁰ = 12251050477 is a prime.

It is a super-3 number, since 3×12251051501³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251051507) 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 11 ways as a sum of consecutive naturals, for example, 1172900 + ... + 1183298.

It is an arithmetic number, because the mean of its divisors is an integer number (1105759200).

Almost surely, 2^12251051501 is an apocalyptic number.

It is an amenable number.

12251051501 is a deficient number, since it is larger than the sum of its proper divisors (1018058899).

12251051501 is a wasteful number, since it uses less digits than its factorization.

12251051501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17396 (or 17383 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 12251051501 its reverse (10515015221), we get a palindrome (22766066722).

The spelling of 12251051501 in words is "twelve billion, two hundred fifty-one million, fifty-one thousand, five hundred one".