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101212012033111 = 771479342488191
BaseRepresentation
bin10111000000110101000010…
…000001100011010001010111
3111021100202220010210010221101
4113000311002001203101113
5101231224200040024421
6555132053442530531
730214220003350060
oct2700650201432127
9437322803703841
10101212012033111
112a281856223561
12b427696066a47
134462337219545
141adc98a7ab567
15ba7b53d06191
hex5c0d42063457

101212012033111 has 16 divisors (see below), whose sum is σ = 117324514050048. Its totient is φ = 85513430721600.

The previous prime is 101212012033103. The next prime is 101212012033151. The reversal of 101212012033111 is 111330210212101.

It is not a de Polignac number, because 101212012033111 - 23 = 101212012033103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212012033151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18861975 + ... + 23626216.

It is an arithmetic number, because the mean of its divisors is an integer number (7332782128128).

Almost surely, 2101212012033111 is an apocalyptic number.

101212012033111 is a deficient number, since it is larger than the sum of its proper divisors (16112502016937).

101212012033111 is an equidigital number, since it uses as much as digits as its factorization.

101212012033111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42493062.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 101212012033111 its reverse (111330210212101), we get a palindrome (212542222245212).

The spelling of 101212012033111 in words is "one hundred one trillion, two hundred twelve billion, twelve million, thirty-three thousand, one hundred eleven".

Divisors: 1 7 71 497 4793 33551 340303 2382121 42488191 297417337 3016661561 21116630927 203645899463 1425521296241 14458858861873 101212012033111