12102223201020 has 144 divisors (see below), whose sum is σ = 37529778843648. Its totient is φ = 3155339352960.

The previous prime is 12102223200937. The next prime is 12102223201031. The reversal of 12102223201020 is 2010232220121.

12102223201020 is a `hidden beast` number, since 1 + 21 + 0 + 222 + 320 + 102 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12102223200984 and 12102223201002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7478037 + ... + 8951283.

It is an arithmetic number, because the mean of its divisors is an integer number (260623464192).

Almost surely, 2^{12102223201020} is an apocalyptic number.

12102223201020 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 12102223201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18764889421824).

12102223201020 is an abundant number, since it is smaller than the sum of its proper divisors (25427555642628).

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

12102223201020 is a wasteful number, since it uses less digits than its factorization.

12102223201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474280 (or 1474275 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12102223201020 its reverse (2010232220121), we get a palindrome (14112455421141).

The spelling of 12102223201020 in words is "twelve trillion, one hundred two billion, two hundred twenty-three million, two hundred one thousand, twenty".