13212120122210 has 64 divisors (see below), whose sum is σ = 24201654128640. Its totient is φ = 5192318039040.

The previous prime is 13212120122161. The next prime is 13212120122213. The reversal of 13212120122210 is 1222102121231.

It is not an unprimeable number, because it can be changed into a prime (13212120122213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1281108014 + ... + 1281118326.

It is an arithmetic number, because the mean of its divisors is an integer number (378150845760).

Almost surely, 2^{13212120122210} is an apocalyptic number.

13212120122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13212120122210 is a deficient number, since it is larger than the sum of its proper divisors (10989534006430).

13212120122210 is a wasteful number, since it uses less digits than its factorization.

13212120122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19403.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 13212120122210 its reverse (1222102121231), we get a palindrome (14434222243441).

The spelling of 13212120122210 in words is "thirteen trillion, two hundred twelve billion, one hundred twenty million, one hundred twenty-two thousand, two hundred ten".