13214120421 has 8 divisors (see below), whose sum is σ = 17621138304. Its totient is φ = 8808258080.

The previous prime is 13214120411. The next prime is 13214120429. The reversal of 13214120421 is 12402141231.

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 13214120421 - 2²⁵ = 13180565989 is a prime.

It is a super-2 number, since 2×13214120421² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214120429) 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, 261840 + ... + 308201.

It is an arithmetic number, because the mean of its divisors is an integer number (2202642288).

Almost surely, 2^13214120421 is an apocalyptic number.

It is an amenable number.

13214120421 is a deficient number, since it is larger than the sum of its proper divisors (4407017883).

13214120421 is an equidigital number, since it uses as much as digits as its factorization.

13214120421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577771.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 13214120421 its reverse (12402141231), we get a palindrome (25616261652).

The spelling of 13214120421 in words is "thirteen billion, two hundred fourteen million, one hundred twenty thousand, four hundred twenty-one".