12452953421 has 8 divisors (see below), whose sum is σ = 12472315200. Its totient is φ = 12433607680.

The previous prime is 12452953417. The next prime is 12452953561. The reversal of 12452953421 is 12435925421.

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 12452953421 - 2² = 12452953417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452953021) 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, 3390416 + ... + 3394086.

It is an arithmetic number, because the mean of its divisors is an integer number (1559039400).

Almost surely, 2^12452953421 is an apocalyptic number.

It is an amenable number.

12452953421 is a deficient number, since it is larger than the sum of its proper divisors (19361779).

12452953421 is a wasteful number, since it uses less digits than its factorization.

12452953421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019.

The product of its digits is 86400, while the sum is 38.

The spelling of 12452953421 in words is "twelve billion, four hundred fifty-two million, nine hundred fifty-three thousand, four hundred twenty-one".