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201112122212010 = 232521531037890913
BaseRepresentation
bin101101101110100100010000…
…100110101011111010101010
3222101002010112120210000000100
4231232210100212223322222
5202330010111241241020
61551421344500050230
760234604604202162
oct5556442046537252
9871063476700010
10201112122212010
1159098199008679
121a680a62993976
13882aa3a61b669
143793c4303d5a2
15183b5c3da1a90
hexb6e9109abeaa

201112122212010 has 48 divisors (see below), whose sum is σ = 523134384728904. Its totient is φ = 53604989822976.

The previous prime is 201112122212009. The next prime is 201112122212033. The reversal of 201112122212010 is 10212221211102.

201112122212010 is a `hidden beast` number, since 20 + 1 + 11 + 212 + 221 + 201 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 148214822271201 + 52897299940809 = 12174351^2 + 7273053^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 518751687 + ... + 519139226.

Almost surely, 2201112122212010 is an apocalyptic number.

201112122212010 is an abundant number, since it is smaller than the sum of its proper divisors (322022262516894).

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

201112122212010 is a wasteful number, since it uses less digits than its factorization.

201112122212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037893079 (or 1037893076 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201112122212010 its reverse (10212221211102), we get a palindrome (211324343423112).

The spelling of 201112122212010 in words is "two hundred one trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2153 4306 6459 10765 12918 19377 21530 32295 38754 64590 96885 193770 1037890913 2075781826 3113672739 5189454565 6227345478 9341018217 10378909130 15568363695 18682036434 31136727390 46705091085 93410182170 2234579135689 4469158271378 6703737407067 11172895678445 13407474814134 20111212221201 22345791356890 33518687035335 40222424442402 67037374070670 100556061106005 201112122212010