12210012121210 has 48 divisors (see below), whose sum is σ = 23350172680800. Its totient is φ = 4596065143040.

The previous prime is 12210012121093. The next prime is 12210012121211. The reversal of 12210012121210 is 1212121001221.

It is not an unprimeable number, because it can be changed into a prime (12210012121211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20546841 + ... + 21132739.

It is an arithmetic number, because the mean of its divisors is an integer number (486461930850).

Almost surely, 2^{12210012121210} is an apocalyptic number.

12210012121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210012121210 is a deficient number, since it is larger than the sum of its proper divisors (11140160559590).

12210012121210 is a wasteful number, since it uses less digits than its factorization.

12210012121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593151 (or 593134 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12210012121210 its reverse (1212121001221), we get a palindrome (13422133122431).

The spelling of 12210012121210 in words is "twelve trillion, two hundred ten billion, twelve million, one hundred twenty-one thousand, two hundred ten".