12212023020 has 96 divisors (see below), whose sum is σ = 35064368640. Its totient is φ = 3173783040.

The previous prime is 12212022973. The next prime is 12212023063. The reversal of 12212023020 is 2032021221.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 3095169 + ... + 3099111.

It is an arithmetic number, because the mean of its divisors is an integer number (365253840).

Almost surely, 2^12212023020 is an apocalyptic number.

12212023020 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 12212023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17532184320).

12212023020 is an abundant number, since it is smaller than the sum of its proper divisors (22852345620).

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

12212023020 is a wasteful number, since it uses less digits than its factorization.

12212023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255 (or 5253 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12212023020 its reverse (2032021221), we get a palindrome (14244044241).

The spelling of 12212023020 in words is "twelve billion, two hundred twelve million, twenty-three thousand, twenty".