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12100222010000 = 24541973218699
BaseRepresentation
bin1011000000010100110101…
…1011110100001010010000
31120211202210021110201111202
42300011031123310022100
53041222223313310000
641422433143330332
72356132532025335
oct260051533641220
946752707421452
1012100222010000
113945747966343
12143512ba509a8
1369a07a1c1897
142db92231098c
1515eb4b8b0dd5
hexb014d6f4290

12100222010000 has 200 divisors, whose sum is σ = 30845491908000. Its totient is φ = 4584193920000.

The previous prime is 12100222009973. The next prime is 12100222010011. The reversal of 12100222010000 is 1022200121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1390985651 + ... + 1390994349.

It is an arithmetic number, because the mean of its divisors is an integer number (154227459540).

Almost surely, 212100222010000 is an apocalyptic number.

12100222010000 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 12100222010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15422745954000).

12100222010000 is an abundant number, since it is smaller than the sum of its proper divisors (18745269898000).

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

12100222010000 is an equidigital number, since it uses as much as digits as its factorization.

12100222010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16067 (or 16046 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12100222010000 its reverse (1022200121), we get a palindrome (12101244210121).

It can be divided in two parts, 12100 and 222010000, that multiplied together give a square (2686321000000 = 16390002).

The spelling of 12100222010000 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, ten thousand".