103215012320 has 96 divisors (see below), whose sum is σ = 279214967808. Its totient is φ = 35320140288.

The previous prime is 103215012301. The next prime is 103215012331. The reversal of 103215012320 is 23210512301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103215012292 and 103215012301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497657 + ... + 673863.

It is an arithmetic number, because the mean of its divisors is an integer number (2908489248).

Almost surely, 2^103215012320 is an apocalyptic number.

103215012320 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 103215012320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139607483904).

103215012320 is an abundant number, since it is smaller than the sum of its proper divisors (175999955488).

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

103215012320 is a wasteful number, since it uses less digits than its factorization.

103215012320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176752 (or 176744 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 103215012320 its reverse (23210512301), we get a palindrome (126425524621).

The spelling of 103215012320 in words is "one hundred three billion, two hundred fifteen million, twelve thousand, three hundred twenty".