103203212130 has 80 divisors (see below), whose sum is σ = 277587032184. Its totient is φ = 27512421120.

The previous prime is 103203212129. The next prime is 103203212173. The reversal of 103203212130 is 31212302301.

103203212130 is a `hidden beast` number, since 1 + 0 + 320 + 3 + 212 + 130 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 69438047121 + 33765165009 = 263511^2 + 183753^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2892600 + ... + 2928060.

Almost surely, 2^103203212130 is an apocalyptic number.

103203212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103203212130 is an abundant number, since it is smaller than the sum of its proper divisors (174383820054).

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

103203212130 is a wasteful number, since it uses less digits than its factorization.

103203212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39073 (or 39064 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 103203212130 its reverse (31212302301), we get a palindrome (134415514431).

The spelling of 103203212130 in words is "one hundred three billion, two hundred three million, two hundred twelve thousand, one hundred thirty".