13212131222110 has 32 divisors (see below), whose sum is σ = 23990812606080. Its totient is φ = 5238527254272.

The previous prime is 13212131222029. The next prime is 13212131222119. The reversal of 13212131222110 is 1122213121231.

It is a happy number.

It is a super-2 number, since 2×13212131222110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212131222119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6195030 + ... + 8050009.

It is an arithmetic number, because the mean of its divisors is an integer number (749712893940).

Almost surely, 2^{13212131222110} is an apocalyptic number.

13212131222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13212131222110 is a deficient number, since it is larger than the sum of its proper divisors (10778681383970).

13212131222110 is a wasteful number, since it uses less digits than its factorization.

13212131222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14245860.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13212131222110 its reverse (1122213121231), we get a palindrome (14334344343341).

The spelling of 13212131222110 in words is "thirteen trillion, two hundred twelve billion, one hundred thirty-one million, two hundred twenty-two thousand, one hundred ten".