13211210421222 has 32 divisors (see below), whose sum is σ = 28825604434944. Its totient is φ = 4003238023200.

The previous prime is 13211210421173. The next prime is 13211210421239. The reversal of 13211210421222 is 22212401211231.

It is a junction number, because it is equal to n+sod(n) for n = 13211210421192 and 13211210421201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2297929 + ... + 5630532.

It is an arithmetic number, because the mean of its divisors is an integer number (900800138592).

Almost surely, 2^{13211210421222} is an apocalyptic number.

13211210421222 is an abundant number, since it is smaller than the sum of its proper divisors (15614394013722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13211210421222 is a wasteful number, since it uses less digits than its factorization.

13211210421222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7953724.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 13211210421222 its reverse (22212401211231), we get a palindrome (35423611632453).

The spelling of 13211210421222 in words is "thirteen trillion, two hundred eleven billion, two hundred ten million, four hundred twenty-one thousand, two hundred twenty-two".