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1232400302120 = 235132676594129
BaseRepresentation
bin10001111011110000110…
…010000100000000101000
311100211001002120222212002
4101323300302010000220
5130142423434131440
62342053515310132
7155016012504161
oct21736062040050
94324032528762
101232400302120
11435726929689
1217aa2044b348
138c2a4043100
1443911670768
15220ce3ea115
hex11ef0c84028

1232400302120 has 192 divisors, whose sum is σ = 3052786968000. Its totient is φ = 447459876864.

The previous prime is 1232400302099. The next prime is 1232400302137. The reversal of 1232400302120 is 212030042321.

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 = 1232400302092 and 1232400302101.

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, 298472216 + ... + 298476344.

It is an arithmetic number, because the mean of its divisors is an integer number (15899932125).

Almost surely, 21232400302120 is an apocalyptic number.

1232400302120 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 1232400302120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526393484000).

1232400302120 is an abundant number, since it is smaller than the sum of its proper divisors (1820386665880).

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

1232400302120 is a wasteful number, since it uses less digits than its factorization.

1232400302120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892 (or 4875 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1232400302120 its reverse (212030042321), we get a palindrome (1444430344441).

The spelling of 1232400302120 in words is "one trillion, two hundred thirty-two billion, four hundred million, three hundred two thousand, one hundred twenty".