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10012112212220 = 22511311071400157
BaseRepresentation
bin1001000110110010000001…
…1001000101000011111100
31022110011000022111101101222
42101230200121011003330
52303014301211242340
633143300103452512
72052231321425336
oct221544031050374
938404008441358
1010012112212220
113210127368368
1211584b8157138
135781a461b2c1
142688359da456
1512568847b8b5
hex91b206450fc

10012112212220 has 48 divisors (see below), whose sum is σ = 21213470412288. Its totient is φ = 3969035320320.

The previous prime is 10012112212189. The next prime is 10012112212243. The reversal of 10012112212220 is 2221221121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24820382 + ... + 25220538.

It is an arithmetic number, because the mean of its divisors is an integer number (441947300256).

Almost surely, 210012112212220 is an apocalyptic number.

10012112212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012112212220 is an abundant number, since it is smaller than the sum of its proper divisors (11201358200068).

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

10012112212220 is a wasteful number, since it uses less digits than its factorization.

10012112212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411350 (or 411348 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10012112212220 its reverse (2221221121001), we get a palindrome (12233333333221).

The spelling of 10012112212220 in words is "ten trillion, twelve billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 11071 22142 44284 55355 110710 221420 400157 800314 1251023 1600628 2000785 2502046 4001570 5004092 6255115 8003140 12510230 25020460 45217741 90435482 180870964 226088705 452177410 904354820 4430138147 8860276294 17720552588 22150690735 44301381470 88602762940 500605610611 1001211221222 2002422442444 2503028053055 5006056106110 10012112212220