12452543401 has 8 divisors (see below), whose sum is σ = 13191455880. Its totient is φ = 11714343168.

The previous prime is 12452543393. The next prime is 12452543429. The reversal of 12452543401 is 10434525421.

It can be written as a sum of positive squares in 4 ways, for example, as 2328159001 + 10124384400 = 48251^2 + 100620^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12452543401 - 2³ = 12452543393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12452543461) 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, 141846 + ... + 212191.

It is an arithmetic number, because the mean of its divisors is an integer number (1648931985).

Almost surely, 2^12452543401 is an apocalyptic number.

It is an amenable number.

12452543401 is a deficient number, since it is larger than the sum of its proper divisors (738912479).

12452543401 is a wasteful number, since it uses less digits than its factorization.

12452543401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356123.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 12452543401 in words is "twelve billion, four hundred fifty-two million, five hundred forty-three thousand, four hundred one".