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101212212111202 = 289568607933209
BaseRepresentation
bin10111000000110101001101…
…111100110010011101100010
3111021100210102002021011111001
4113000311031330302131202
5101231230102300024302
6555132125351142214
730214224653111113
oct2700651574623542
9437323362234431
10101212212111202
112a28194915a155
12b42773107496a
13446236980024a
141adc9a91b020a
15ba7b66678787
hex5c0d4df32762

101212212111202 has 8 divisors (see below), whose sum is σ = 153524141966700. Its totient is φ = 50037498122304.

The previous prime is 101212212111191. The next prime is 101212212111203. The reversal of 101212212111202 is 202111212212101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93542187101841 + 7670025009361 = 9671721^2 + 2769481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1012122121112023 (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101212212111202.

It is not an unprimeable number, because it can be changed into a prime (101212212111203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284303966427 + ... + 284303966782.

Almost surely, 2101212212111202 is an apocalyptic number.

101212212111202 is a deficient number, since it is larger than the sum of its proper divisors (52311929855498).

101212212111202 is an equidigital number, since it uses as much as digits as its factorization.

101212212111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568607933300.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101212212111202 its reverse (202111212212101), we get a palindrome (303323424323303).

The spelling of 101212212111202 in words is "one hundred one trillion, two hundred twelve billion, two hundred twelve million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 89 178 568607933209 1137215866418 50606106055601 101212212111202