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1203130203120 = 243254790739199
BaseRepresentation
bin10001100000100000001…
…001011111101111110000
311021000111012201220102100
4101200200021133233300
5124203002312444440
62320413235420400
7152631454663446
oct21404011375760
94230435656370
101203130203120
114242766a801a
12175211a54700
13895bac592c1
1442336144b96
15214698ed230
hex1182025fbf0

1203130203120 has 240 divisors, whose sum is σ = 4131135590400. Its totient is φ = 313654242816.

The previous prime is 1203130203043. The next prime is 1203130203131. The reversal of 1203130203120 is 213020313021.

1203130203120 is a `hidden beast` number, since 1 + 20 + 31 + 302 + 0 + 312 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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 = 1203130203093 and 1203130203102.

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, 30673281 + ... + 30712479.

It is an arithmetic number, because the mean of its divisors is an integer number (17213064960).

Almost surely, 21203130203120 is an apocalyptic number.

1203130203120 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 1203130203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2065567795200).

1203130203120 is an abundant number, since it is smaller than the sum of its proper divisors (2928005387280).

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

1203130203120 is a wasteful number, since it uses less digits than its factorization.

1203130203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40172 (or 40163 counting only the distinct ones).

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

Adding to 1203130203120 its reverse (213020313021), we get a palindrome (1416150516141).

The spelling of 1203130203120 in words is "one trillion, two hundred three billion, one hundred thirty million, two hundred three thousand, one hundred twenty".