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1203430230112 = 2511174124120353
BaseRepresentation
bin10001100000110010000…
…010000000100001100000
311021001021010021212002011
4101200302002000201200
5124204111114330422
62320503114202304
7152642060114635
oct21406202004140
94231233255064
101203430230112
1142440aa9a810
12175296423394
1389638166476
1442363d2418c
1521485e15077
hex11832080860

1203430230112 has 192 divisors, whose sum is σ = 2815196586048. Its totient is φ = 500170752000.

The previous prime is 1203430229927. The next prime is 1203430230113. The reversal of 1203430230112 is 2110320343021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203430230113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59117728 + ... + 59138080.

It is an arithmetic number, because the mean of its divisors is an integer number (14662482219).

Almost surely, 21203430230112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1203430230112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407598293024).

1203430230112 is an abundant number, since it is smaller than the sum of its proper divisors (1611766355936).

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

1203430230112 is a wasteful number, since it uses less digits than its factorization.

1203430230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20673 (or 20665 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1203430230112 its reverse (2110320343021), we get a palindrome (3313750573133).

The spelling of 1203430230112 in words is "one trillion, two hundred three billion, four hundred thirty million, two hundred thirty thousand, one hundred twelve".