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1210010111112 = 2331137123874909
BaseRepresentation
bin10001100110111010001…
…110010000110010001000
311021200020200111102221110
4101212322032100302020
5124311100042023422
62323512044010320
7153264115146315
oct21467216206210
94250220442843
101210010111112
114271871877a0
12176611b309a0
138a14640548a
14427c9b5dd0c
152171d8e460c
hex119ba390c88

1210010111112 has 64 divisors (see below), whose sum is σ = 3389217537600. Its totient is φ = 356759735040.

The previous prime is 1210010111071. The next prime is 1210010111147. The reversal of 1210010111112 is 2111110100121.

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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61927687 + ... + 61947222.

It is an arithmetic number, because the mean of its divisors is an integer number (52956524025).

Almost surely, 21210010111112 is an apocalyptic number.

1210010111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210010111112 is an abundant number, since it is smaller than the sum of its proper divisors (2179207426488).

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

1210010111112 is a wasteful number, since it uses less digits than its factorization.

1210010111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123874966 (or 123874962 counting only the distinct ones).

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

Adding to 1210010111112 its reverse (2111110100121), we get a palindrome (3321120211233).

The spelling of 1210010111112 in words is "one trillion, two hundred ten billion, ten million, one hundred eleven thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 37 44 66 74 88 111 132 148 222 264 296 407 444 814 888 1221 1628 2442 3256 4884 9768 123874909 247749818 371624727 495499636 743249454 990999272 1362623999 1486498908 2725247998 2972997816 4087871997 4583371633 5450495996 8175743994 9166743266 10900991992 13750114899 16351487988 18333486532 27500229798 32702975976 36666973064 50417087963 55000459596 100834175926 110000919192 151251263889 201668351852 302502527778 403336703704 605005055556 1210010111112