12210212110020 has 48 divisors (see below), whose sum is σ = 34192533691008. Its totient is φ = 3255681345280.

The previous prime is 12210212109971. The next prime is 12210212110037. The reversal of 12210212110020 is 2001121201221.

It is a super-4 number, since 4×12210212110020⁴ (a number of 53 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 11200344 + ... + 12242063.

It is an arithmetic number, because the mean of its divisors is an integer number (712344451896).

Almost surely, 2^{12210212110020} is an apocalyptic number.

12210212110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210212110020 is an abundant number, since it is smaller than the sum of its proper divisors (21982321580988).

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

12210212110020 is a wasteful number, since it uses less digits than its factorization.

12210212110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23451100 (or 23451098 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12210212110020 its reverse (2001121201221), we get a palindrome (14211333311241).

The spelling of 12210212110020 in words is "twelve trillion, two hundred ten billion, two hundred twelve million, one hundred ten thousand, twenty".