13210421234 has 8 divisors (see below), whose sum is σ = 20981257308. Its totient is φ = 6216668800.

The previous prime is 13210421233. The next prime is 13210421239. The reversal of 13210421234 is 43212401231.

It can be written as a sum of positive squares in 2 ways, for example, as 12210913009 + 999508225 = 110503^2 + 31615^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13210421233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194270867 + ... + 194270934.

Almost surely, 2^13210421234 is an apocalyptic number.

13210421234 is a deficient number, since it is larger than the sum of its proper divisors (7770836074).

13210421234 is a wasteful number, since it uses less digits than its factorization.

13210421234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388541820.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13210421234 its reverse (43212401231), we get a palindrome (56422822465).

The spelling of 13210421234 in words is "thirteen billion, two hundred ten million, four hundred twenty-one thousand, two hundred thirty-four".