123201021230 has 16 divisors (see below), whose sum is σ = 253442100960. Its totient is φ = 42240350112.

The previous prime is 123201021217. The next prime is 123201021239. The reversal of 123201021230 is 32120102321.

It is a super-2 number, since 2×123201021230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123201021199 and 123201021208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123201021239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880007225 + ... + 880007364.

It is an arithmetic number, because the mean of its divisors is an integer number (15840131310).

Almost surely, 2^123201021230 is an apocalyptic number.

123201021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123201021230 is an abundant number, since it is smaller than the sum of its proper divisors (130241079730).

123201021230 is a wasteful number, since it uses less digits than its factorization.

123201021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760014603.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123201021230 its reverse (32120102321), we get a palindrome (155321123551).

The spelling of 123201021230 in words is "one hundred twenty-three billion, two hundred one million, twenty-one thousand, two hundred thirty".