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12100222100200 = 235213172647103423
BaseRepresentation
bin1011000000010100110101…
…1100001010001011101000
31120211202210021122022020111
42300011031130022023220
53041222223324201300
641422433145304104
72356132532552323
oct260051534121350
946752707568214
1012100222100200
113945747a18093
12143512ba95034
1369a07a223960
142db9223357ba
1515eb4b8cc9ba
hexb014d70a2e8

12100222100200 has 192 divisors, whose sum is σ = 32091705999360. Its totient is φ = 4203334840320.

The previous prime is 12100222100189. The next prime is 12100222100201. The reversal of 12100222100200 is 200122200121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (12100222100201) 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, 116945689 + ... + 117049111.

It is an arithmetic number, because the mean of its divisors is an integer number (167144302080).

Almost surely, 212100222100200 is an apocalyptic number.

12100222100200 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 12100222100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16045852999680).

12100222100200 is an abundant number, since it is smaller than the sum of its proper divisors (19991483899160).

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

12100222100200 is a wasteful number, since it uses less digits than its factorization.

12100222100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106116 (or 106107 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12100222100200 its reverse (200122200121), we get a palindrome (12300344300321).

The spelling of 12100222100200 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, one hundred thousand, two hundred".