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212002100112 = 24311271523983
BaseRepresentation
bin1100010101110001001…
…1110101001110010000
3202021012210100112122210
43011130103311032100
511433140014200422
6241220432432120
721213416055345
oct3053423651620
9667183315583
10212002100112
1181a00727700
12351070a8640
1316cb7a3a86a
14a3920c87cc
1557abeac10c
hex315c4f5390

212002100112 has 240 divisors, whose sum is σ = 612254813184. Its totient is φ = 63152812800.

The previous prime is 212002100077. The next prime is 212002100119. The reversal of 212002100112 is 211001200212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (212002100119) 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, 215667973 + ... + 215668955.

Almost surely, 2212002100112 is an apocalyptic number.

212002100112 is a gapful number since it is divisible by the number (22) 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 212002100112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306127406592).

212002100112 is an abundant number, since it is smaller than the sum of its proper divisors (400252713072).

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

212002100112 is a wasteful number, since it uses less digits than its factorization.

212002100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212002100112 its reverse (211001200212), we get a palindrome (423003300324).

The spelling of 212002100112 in words is "two hundred twelve billion, two million, one hundred thousand, one hundred twelve".