123121301300 has 36 divisors (see below), whose sum is σ = 267191984556. Its totient is φ = 49245062400.

The previous prime is 123121301287. The next prime is 123121301323. The reversal of 123121301300 is 3103121321.

It can be written as a sum of positive squares in 6 ways, for example, as 22771984 + 123098529316 = 4772^2 + 350854^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1763864 + ... + 1832336.

It is an arithmetic number, because the mean of its divisors is an integer number (7421999571).

Almost surely, 2^123121301300 is an apocalyptic number.

123121301300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123121301300 is an abundant number, since it is smaller than the sum of its proper divisors (144070683256).

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

123121301300 is a wasteful number, since it uses less digits than its factorization.

123121301300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86468 (or 86461 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123121301300 its reverse (3103121321), we get a palindrome (126224422621).

The spelling of 123121301300 in words is "one hundred twenty-three billion, one hundred twenty-one million, three hundred one thousand, three hundred".