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201012112222200 = 2332521935339166319
BaseRepresentation
bin101101101101000111000111…
…100010110110011111111000
3222100201120101201100010022200
4231231013013202312133320
5202321340301212102300
61551303404534550200
760224434346255646
oct5555070742663770
9870646351303280
10201012112222200
1159059837a7a034
121a6655b1808360
13882148ca21bb6
14378d07693c196
151838bbdd42200
hexb6d1c78b67f8

201012112222200 has 288 divisors, whose sum is σ = 710619829920000. Its totient is φ = 50780264981760.

The previous prime is 201012112222169. The next prime is 201012112222217. The reversal of 201012112222200 is 2222211210102.

It is a happy number.

201012112222200 is a `hidden beast` number, since 2 + 0 + 10 + 1 + 211 + 222 + 220 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1208510641 + ... + 1208676959.

It is an arithmetic number, because the mean of its divisors is an integer number (2467429965000).

Almost surely, 2201012112222200 is an apocalyptic number.

201012112222200 is a gapful number since it is divisible by the number (20) 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 201012112222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355309914960000).

201012112222200 is an abundant number, since it is smaller than the sum of its proper divisors (509607717697800).

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

201012112222200 is a wasteful number, since it uses less digits than its factorization.

201012112222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201699 (or 201687 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201012112222200 its reverse (2222211210102), we get a palindrome (203234323432302).

The spelling of 201012112222200 in words is "two hundred one trillion, twelve billion, one hundred twelve million, two hundred twenty-two thousand, two hundred".