13002212122 has 4 divisors (see below), whose sum is σ = 19503318186. Its totient is φ = 6501106060.

The previous prime is 13002212101. The next prime is 13002212123. The reversal of 13002212122 is 22121220031.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 8536096881 + 4466115241 = 92391^2 + 66829^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13002212096 and 13002212105.

It is not an unprimeable number, because it can be changed into a prime (13002212123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3250553029 + ... + 3250553032.

Almost surely, 2^13002212122 is an apocalyptic number.

13002212122 is a deficient number, since it is larger than the sum of its proper divisors (6501106064).

13002212122 is an equidigital number, since it uses as much as digits as its factorization.

13002212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501106063.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13002212122 its reverse (22121220031), we get a palindrome (35123432153).

The spelling of 13002212122 in words is "thirteen billion, two million, two hundred twelve thousand, one hundred twenty-two".