103212880 has 20 divisors (see below), whose sum is σ = 239970132. Its totient is φ = 41285120.

The previous prime is 103212877. The next prime is 103212881. The reversal of 103212880 is 88212301.

It can be written as a sum of positive squares in 2 ways, for example, as 79281216 + 23931664 = 8904^2 + 4892^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645001 + ... + 645160.

Almost surely, 2^103212880 is an apocalyptic number.

103212880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103212880 is an abundant number, since it is smaller than the sum of its proper divisors (136757252).

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

103212880 is a wasteful number, since it uses less digits than its factorization.

103212880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290174 (or 1290168 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 103212880 is about 10159.3739964626. The cubic root of 103212880 is about 469.0775327469.

The spelling of 103212880 in words is "one hundred three million, two hundred twelve thousand, eight hundred eighty".