123010200000 has 504 divisors, whose sum is σ = 452860952544. Its totient is φ = 31898880000.

The previous prime is 123010199999. The next prime is 123010200011. The reversal of 123010200000 is 2010321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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 71 ways as a sum of consecutive naturals, for example, 66599077 + ... + 66600923.

It is an arithmetic number, because the mean of its divisors is an integer number (898533636).

Almost surely, 2^123010200000 is an apocalyptic number.

123010200000 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 123010200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226430476272).

123010200000 is an abundant number, since it is smaller than the sum of its proper divisors (329850752544).

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

123010200000 is an equidigital number, since it uses as much as digits as its factorization.

123010200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 123010200000 its reverse (2010321), we get a palindrome (123012210321).

The spelling of 123010200000 in words is "one hundred twenty-three billion, ten million, two hundred thousand".