103121240200000 has 672 divisors, whose sum is σ = 286643481892992. Its totient is φ = 36480000000000.

The previous prime is 103121240199983. The next prime is 103121240200001. The reversal of 103121240200000 is 2042121301.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121240200001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36170198575 + ... + 36170201425.

It is an arithmetic number, because the mean of its divisors is an integer number (426552800436).

Almost surely, 2^{103121240200000} is an apocalyptic number.

103121240200000 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 103121240200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143321740946496).

103121240200000 is an abundant number, since it is smaller than the sum of its proper divisors (183522241692992).

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

103121240200000 is an equidigital number, since it uses as much as digits as its factorization.

103121240200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341 (or 3311 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 103121240200000 its reverse (2042121301), we get a palindrome (103123282321301).

The spelling of 103121240200000 in words is "one hundred three trillion, one hundred twenty-one billion, two hundred forty million, two hundred thousand".