12252321501 has 16 divisors (see below), whose sum is σ = 18671864448. Its totient is φ = 7000704000.

The previous prime is 12252321491. The next prime is 12252321503. The reversal of 12252321501 is 10512325221.

It is not a de Polignac number, because 12252321501 - 2¹⁹ = 12251797213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252321503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328401 + ... + 363801.

It is an arithmetic number, because the mean of its divisors is an integer number (1166991528).

Almost surely, 2^12252321501 is an apocalyptic number.

It is an amenable number.

12252321501 is a deficient number, since it is larger than the sum of its proper divisors (6419542947).

12252321501 is a wasteful number, since it uses less digits than its factorization.

12252321501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51892.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 12252321501 its reverse (10512325221), we get a palindrome (22764646722).

The spelling of 12252321501 in words is "twelve billion, two hundred fifty-two million, three hundred twenty-one thousand, five hundred one".