12021223312210 has 32 divisors (see below), whose sum is σ = 24866000070912. Its totient is φ = 4098791211840.

The previous prime is 12021223312159. The next prime is 12021223312213. The reversal of 12021223312210 is 1221332212021.

It is not an unprimeable number, because it can be changed into a prime (12021223312213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474384462 + ... + 474409801.

It is an arithmetic number, because the mean of its divisors is an integer number (777062502216).

Almost surely, 2^{12021223312210} is an apocalyptic number.

12021223312210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021223312210 is an abundant number, since it is smaller than the sum of its proper divisors (12844776758702).

12021223312210 is a wasteful number, since it uses less digits than its factorization.

12021223312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948794458.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12021223312210 its reverse (1221332212021), we get a palindrome (13242555524231).

The spelling of 12021223312210 in words is "twelve trillion, twenty-one billion, two hundred twenty-three million, three hundred twelve thousand, two hundred ten".