12102011233220 has 48 divisors (see below), whose sum is σ = 26293060684800. Its totient is φ = 4673438501760.

The previous prime is 12102011233127. The next prime is 12102011233259. The reversal of 12102011233220 is 2233211020121.

It is a super-3 number, since 3×12102011233220³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12102011233192 and 12102011233201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5190005 + ... + 7151235.

It is an arithmetic number, because the mean of its divisors is an integer number (547772097600).

Almost surely, 2^{12102011233220} is an apocalyptic number.

12102011233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102011233220 is an abundant number, since it is smaller than the sum of its proper divisors (14191049451580).

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

12102011233220 is a wasteful number, since it uses less digits than its factorization.

12102011233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971908 (or 1971906 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12102011233220 its reverse (2233211020121), we get a palindrome (14335222253341).

The spelling of 12102011233220 in words is "twelve trillion, one hundred two billion, eleven million, two hundred thirty-three thousand, two hundred twenty".