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101001010111212 = 22343331194243171
BaseRepresentation
bin10110111101110000100001…
…010101000110001011101100
3111020121121021001102220212010
4112331300201111012023230
5101214300032042024322
6554451120135241220
730163040120534031
oct2675604125061354
9436547231386763
10101001010111212
112a200319131622
12b3b2809b19210
13444847b77c013
141ad2691479388
15ba2404a6320c
hex5bdc215462ec

101001010111212 has 24 divisors (see below), whose sum is σ = 235674463614912. Its totient is φ = 33666226224400.

The previous prime is 101001010111207. The next prime is 101001010111237. The reversal of 101001010111212 is 212111010100101.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96601614 + ... + 97641557.

It is an arithmetic number, because the mean of its divisors is an integer number (9819769317288).

Almost surely, 2101001010111212 is an apocalyptic number.

101001010111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101001010111212 is an abundant number, since it is smaller than the sum of its proper divisors (134673453503700).

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

101001010111212 is a wasteful number, since it uses less digits than its factorization.

101001010111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194286509 (or 194286507 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 101001010111212 its reverse (212111010100101), we get a palindrome (313112020211313).

The spelling of 101001010111212 in words is "one hundred one trillion, one billion, ten million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 43331 86662 129993 173324 259986 519972 194243171 388486342 582729513 776972684 1165459026 2330918052 8416750842601 16833501685202 25250252527803 33667003370404 50500505055606 101001010111212