13210421254 has 4 divisors (see below), whose sum is σ = 19815631884. Its totient is φ = 6605210626.

The previous prime is 13210421249. The next prime is 13210421291. The reversal of 13210421254 is 45212401231.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302605312 + ... + 3302605315.

It is an arithmetic number, because the mean of its divisors is an integer number (4953907971).

Almost surely, 2^13210421254 is an apocalyptic number.

13210421254 is a deficient number, since it is larger than the sum of its proper divisors (6605210630).

13210421254 is an equidigital number, since it uses as much as digits as its factorization.

13210421254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605210629.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 13210421254 its reverse (45212401231), we get a palindrome (58422822485).

The spelling of 13210421254 in words is "thirteen billion, two hundred ten million, four hundred twenty-one thousand, two hundred fifty-four".