13161422212 has 12 divisors (see below), whose sum is σ = 23036314140. Its totient is φ = 6579618176.

The previous prime is 13161422203. The next prime is 13161422221. The reversal of 13161422212 is 21222416131.

It is an interprime number because it is at equal distance from previous prime (13161422203) and next prime (13161422221).

It can be written as a sum of positive squares in 2 ways, for example, as 2248277056 + 10913145156 = 47416^2 + 104466^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245833 + ... + 294544.

It is an arithmetic number, because the mean of its divisors is an integer number (1919692845).

Almost surely, 2^13161422212 is an apocalyptic number.

It is an amenable number.

13161422212 is a deficient number, since it is larger than the sum of its proper divisors (9874891928).

13161422212 is a wasteful number, since it uses less digits than its factorization.

13161422212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546470 (or 546468 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

Adding to 13161422212 its reverse (21222416131), we get a palindrome (34383838343).

The spelling of 13161422212 in words is "thirteen billion, one hundred sixty-one million, four hundred twenty-two thousand, two hundred twelve".