103225212520 has 16 divisors (see below), whose sum is σ = 232256728260. Its totient is φ = 41290084992.

The previous prime is 103225212509. The next prime is 103225212521. The reversal of 103225212520 is 25212522301.

It can be written as a sum of positive squares in 2 ways, for example, as 99465805924 + 3759406596 = 315382^2 + 61314^2 .

It is not an unprimeable number, because it can be changed into a prime (103225212521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290315117 + ... + 1290315196.

Almost surely, 2^103225212520 is an apocalyptic number.

103225212520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103225212520 is an abundant number, since it is smaller than the sum of its proper divisors (129031515740).

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

103225212520 is a wasteful number, since it uses less digits than its factorization.

103225212520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580630324 (or 2580630320 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 103225212520 its reverse (25212522301), we get a palindrome (128437734821).

The spelling of 103225212520 in words is "one hundred three billion, two hundred twenty-five million, two hundred twelve thousand, five hundred twenty".