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1301123101200 = 2435213521160087
BaseRepresentation
bin10010111011110000111…
…110101111001000010000
311121101102111122220102220
4102323300332233020100
5132304200003214300
62433421103341040
7163001020611036
oct22736076571020
94541374586386
101301123101200
114618920857aa
121901bb5b1780
13959069a5c70
1446d907bc556
1523ca2820da0
hex12ef0faf210

1301123101200 has 240 divisors, whose sum is σ = 4497184411776. Its totient is φ = 319659724800.

The previous prime is 1301123101189. The next prime is 1301123101211. The reversal of 1301123101200 is 21013211031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1301123101189) and next prime (1301123101211).

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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1301123101200.

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, 8047557 + ... + 8207643.

Almost surely, 21301123101200 is an apocalyptic number.

1301123101200 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 1301123101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2248592205888).

1301123101200 is an abundant number, since it is smaller than the sum of its proper divisors (3196061310576).

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

1301123101200 is a wasteful number, since it uses less digits than its factorization.

1301123101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160642 (or 160631 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1301123101200 its reverse (21013211031), we get a palindrome (1322136312231).

The spelling of 1301123101200 in words is "one trillion, three hundred one billion, one hundred twenty-three million, one hundred one thousand, two hundred".