123222301020 has 288 divisors, whose sum is σ = 472465488768. Its totient is φ = 25295763456.

The previous prime is 123222301019. The next prime is 123222301051. The reversal of 123222301020 is 20103222321.

123222301020 is a `hidden beast` number, since 12 + 322 + 230 + 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 = 123222300984 and 123222301002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 504402 + ... + 707718.

Almost surely, 2^123222301020 is an apocalyptic number.

123222301020 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 123222301020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236232744384).

123222301020 is an abundant number, since it is smaller than the sum of its proper divisors (349243187748).

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

123222301020 is a wasteful number, since it uses less digits than its factorization.

123222301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203389 (or 203384 counting only the distinct ones).

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

Adding to 123222301020 its reverse (20103222321), we get a palindrome (143325523341).

The spelling of 123222301020 in words is "one hundred twenty-three billion, two hundred twenty-two million, three hundred one thousand, twenty".