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12229200480 = 2535724631123
BaseRepresentation
bin10110110001110101…
…01100101001100000
31011120021101202022010
423120322230221200
5200021133403410
65341254112520
7612023326500
oct133072545140
934507352263
1012229200480
115206079362
12245364b740
1311cb7a3c03
14840241a00
154b8946c20
hex2d8eaca60

12229200480 has 288 divisors, whose sum is σ = 44948058624. Its totient is φ = 2786724864.

The previous prime is 12229200463. The next prime is 12229200481. The reversal of 12229200480 is 8400292221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12229200481) 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, 10889199 + ... + 10890321.

It is an arithmetic number, because the mean of its divisors is an integer number (156069648).

Almost surely, 212229200480 is an apocalyptic number.

12229200480 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 12229200480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22474029312).

12229200480 is an abundant number, since it is smaller than the sum of its proper divisors (32718858144).

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

12229200480 is a wasteful number, since it uses less digits than its factorization.

12229200480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 12229200480 in words is "twelve billion, two hundred twenty-nine million, two hundred thousand, four hundred eighty".