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12112112000100 = 2235275921656901
BaseRepresentation
bin1011000001000001001000…
…1000100001110001100100
31120212220110220120210122110
42300100102020201301210
53041421101133000400
641432121043201020
72360033266206450
oct260202210416144
946786426523573
1012112112000100
11394a799509942
1214374a9976170
1369b223619698
142dc32d493660
151600e5650e50
hexb0412221c64

12112112000100 has 216 divisors, whose sum is σ = 40741072835008. Its totient is φ = 2721557664000.

The previous prime is 12112112000071. The next prime is 12112112000161. The reversal of 12112112000100 is 100021121121.

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

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, 6481650 + ... + 8138550.

Almost surely, 212112112000100 is an apocalyptic number.

12112112000100 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 12112112000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20370536417504).

12112112000100 is an abundant number, since it is smaller than the sum of its proper divisors (28628960834908).

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

12112112000100 is a wasteful number, since it uses less digits than its factorization.

12112112000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657043 (or 1656977 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12112112000100 its reverse (100021121121), we get a palindrome (12212133121221).

The spelling of 12112112000100 in words is "twelve trillion, one hundred twelve billion, one hundred twelve million, one hundred", and thus it is an aban number.