123221325200 has 30 divisors (see below), whose sum is σ = 296039234754. Its totient is φ = 49288529920.

The previous prime is 123221325197. The next prime is 123221325203. The reversal of 123221325200 is 2523122321.

It is an interprime number because it is at equal distance from previous prime (123221325197) and next prime (123221325203).

It can be written as a sum of positive squares in 3 ways, for example, as 39621698704 + 83599626496 = 199052^2 + 289136^2 .

It is not an unprimeable number, because it can be changed into a prime (123221325203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154026257 + ... + 154027056.

Almost surely, 2^123221325200 is an apocalyptic number.

123221325200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123221325200 is an abundant number, since it is smaller than the sum of its proper divisors (172817909554).

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

123221325200 is a wasteful number, since it uses less digits than its factorization.

123221325200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308053331 (or 308053320 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 123221325200 its reverse (2523122321), we get a palindrome (125744447521).

The spelling of 123221325200 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred twenty-five thousand, two hundred".