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202112220100000 = 255572967181821
BaseRepresentation
bin101101111101000111101011…
…000101010111010110100000
3222111121201222010101122120111
4231331013223011113112200
5202442401311321200000
61553505023324421104
760400061141036020
oct5575075305272640
9874551863348514
10202112220100000
1159443347212231
121a8028516a7794
1388a113cc6b592
1437ca3d8487a80
151857609001cba
hexb7d1eb1575a0

202112220100000 has 1152 divisors, whose sum is σ = 600808610787840. Its totient is φ = 65463552000000.

The previous prime is 202112220099949. The next prime is 202112220100009. The reversal of 202112220100000 is 1022211202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202112220100009) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 246178099590 + ... + 246178100410.

It is an arithmetic number, because the mean of its divisors is an integer number (521535252420).

Almost surely, 2202112220100000 is an apocalyptic number.

202112220100000 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 202112220100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300404305393920).

202112220100000 is an abundant number, since it is smaller than the sum of its proper divisors (398696390687840).

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

202112220100000 is an equidigital number, since it uses as much as digits as its factorization.

202112220100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1112 counting only the distinct ones).

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

Adding to 202112220100000 its reverse (1022211202), we get a palindrome (202113242311202).

The spelling of 202112220100000 in words is "two hundred two trillion, one hundred twelve billion, two hundred twenty million, one hundred thousand".