13452421000 has 128 divisors (see below), whose sum is σ = 32358268800. Its totient is φ = 5231788800.

The previous prime is 13452420991. The next prime is 13452421009. The reversal of 13452421000 is 12425431.

It is an interprime number because it is at equal distance from previous prime (13452420991) and next prime (13452421009).

It is a super-2 number, since 2×13452421000² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13452421009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11566419 + ... + 11567581.

It is an arithmetic number, because the mean of its divisors is an integer number (252798975).

Almost surely, 2^13452421000 is an apocalyptic number.

13452421000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13452421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16179134400).

13452421000 is an abundant number, since it is smaller than the sum of its proper divisors (18905847800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13452421000 is a wasteful number, since it uses less digits than its factorization.

13452421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 13452421000 its reverse (12425431), we get a palindrome (13464846431).

The spelling of 13452421000 in words is "thirteen billion, four hundred fifty-two million, four hundred twenty-one thousand".