10203003132120 has 192 divisors, whose sum is σ = 33419569978080. Its totient is φ = 2699539550208.

The previous prime is 10203003132043. The next prime is 10203003132151. The reversal of 10203003132120 is 2123130030201.

10203003132120 is a `hidden beast` number, since 1 + 0 + 20 + 300 + 3 + 1 + 321 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 10203003132093 and 10203003132102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34650634 + ... + 34943846.

Almost surely, 2^{10203003132120} is an apocalyptic number.

10203003132120 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 10203003132120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16709784989040).

10203003132120 is an abundant number, since it is smaller than the sum of its proper divisors (23216566845960).

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

10203003132120 is a wasteful number, since it uses less digits than its factorization.

10203003132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293986 (or 293979 counting only the distinct ones).

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

Adding to 10203003132120 its reverse (2123130030201), we get a palindrome (12326133162321).

The spelling of 10203003132120 in words is "ten trillion, two hundred three billion, three million, one hundred thirty-two thousand, one hundred twenty".