13121012213 has 8 divisors (see below), whose sum is σ = 13580218080. Its totient is φ = 12662256880.

The previous prime is 13121012197. The next prime is 13121012227. The reversal of 13121012213 is 31221012131.

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 13121012213 - 2⁴ = 13121012197 is a prime.

It is a super-2 number, since 2×13121012213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13121012191 and 13121012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121012263) 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, 52823 + ... + 170388.

It is an arithmetic number, because the mean of its divisors is an integer number (1697527260).

Almost surely, 2^13121012213 is an apocalyptic number.

It is an amenable number.

13121012213 is a deficient number, since it is larger than the sum of its proper divisors (459205867).

13121012213 is a wasteful number, since it uses less digits than its factorization.

13121012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225267.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13121012213 its reverse (31221012131), we get a palindrome (44342024344).

The spelling of 13121012213 in words is "thirteen billion, one hundred twenty-one million, twelve thousand, two hundred thirteen".