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12130201200 = 24352132926813
BaseRepresentation
bin10110100110000010…
…00010111001110000
31011022101010001211010
423103001002321300
5144320312414300
65323400150520
7606412003035
oct132301027160
934271101733
1012130201200
115165200777
122426468440
1311b4120a60
1483103138c
154aeddda50
hex2d3042e70

12130201200 has 240 divisors, whose sum is σ = 43290666720. Its totient is φ = 2882826240.

The previous prime is 12130201159. The next prime is 12130201201. The reversal of 12130201200 is 210203121.

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 (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130201201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 438994 + ... + 465806.

It is an arithmetic number, because the mean of its divisors is an integer number (180377778).

Almost surely, 212130201200 is an apocalyptic number.

12130201200 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 12130201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21645333360).

12130201200 is an abundant number, since it is smaller than the sum of its proper divisors (31160465520).

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

12130201200 is a wasteful number, since it uses less digits than its factorization.

12130201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26876 (or 26865 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12130201200 its reverse (210203121), we get a palindrome (12340404321).

The spelling of 12130201200 in words is "twelve billion, one hundred thirty million, two hundred one thousand, two hundred".