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11212401200 = 24527111341683
BaseRepresentation
bin10100111000100111…
…11010101000110000
31001221102002222220112
422130103322220300
5140430333314300
65052332400452
7544565560220
oct123423725060
931842088815
1011212401200
114834120a80
12220b016128
131098c34430
147851a0080
15459547e35
hex29c4faa30

11212401200 has 480 divisors, whose sum is σ = 37104625152. Its totient is φ = 3142656000.

The previous prime is 11212401181. The next prime is 11212401229. The reversal of 11212401200 is 210421211.

It is a happy number.

It is a super-2 number, since 2×112124012002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16416059 + ... + 16416741.

Almost surely, 211212401200 is an apocalyptic number.

11212401200 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 11212401200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18552312576).

11212401200 is an abundant number, since it is smaller than the sum of its proper divisors (25892223952).

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

11212401200 is a wasteful number, since it uses less digits than its factorization.

11212401200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11212401200 its reverse (210421211), we get a palindrome (11422822411).

The spelling of 11212401200 in words is "eleven billion, two hundred twelve million, four hundred one thousand, two hundred".