12103310022020 has 192 divisors, whose sum is σ = 31402967500800. Its totient is φ = 3903287076864.

The previous prime is 12103310021981. The next prime is 12103310022079. The reversal of 12103310022020 is 2022001330121.

It is a super-2 number, since 2×12103310022020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12103310022020.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 202072517 + ... + 202132403.

It is an arithmetic number, because the mean of its divisors is an integer number (163557122400).

Almost surely, 2^{12103310022020} is an apocalyptic number.

12103310022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12103310022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15701483750400).

12103310022020 is an abundant number, since it is smaller than the sum of its proper divisors (19299657478780).

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

12103310022020 is a wasteful number, since it uses less digits than its factorization.

12103310022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61667 (or 61651 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12103310022020 its reverse (2022001330121), we get a palindrome (14125311352141).

The spelling of 12103310022020 in words is "twelve trillion, one hundred three billion, three hundred ten million, twenty-two thousand, twenty".