123020203212000 has 1152 divisors, whose sum is σ = 458263473647616. Its totient is φ = 31214937600000.

The previous prime is 123020203211951. The next prime is 123020203212001. The reversal of 123020203212000 is 212302020321.

123020203212000 is a `hidden beast` number, since 1 + 2 + 302 + 0 + 20 + 321 + 20 + 0 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020203212001) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 51667450810 + ... + 51667453190.

It is an arithmetic number, because the mean of its divisors is an integer number (397798154208).

Almost surely, 2^{123020203212000} is an apocalyptic number.

123020203212000 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 123020203212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229131736823808).

123020203212000 is an abundant number, since it is smaller than the sum of its proper divisors (335243270435616).

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

123020203212000 is a wasteful number, since it uses less digits than its factorization.

123020203212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 123020203212000 its reverse (212302020321), we get a palindrome (123232505232321).

The spelling of 123020203212000 in words is "one hundred twenty-three trillion, twenty billion, two hundred three million, two hundred twelve thousand".