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11112202012212 = 2232744096039731
BaseRepresentation
bin1010000110110100001011…
…0110101000011000110100
31110100022112110112110120100
42201231002312220120310
52424030242203342322
635344513010034100
72224554503433420
oct241550266503064
943308473473510
1011112202012212
1135a4727383424
1212b5751b78930
13627b50ba8462
142a5b94d9bb80
151440c1c69dac
hexa1b42da8634

11112202012212 has 36 divisors (see below), whose sum is σ = 32101916924896. Its totient is φ = 3174914860560.

The previous prime is 11112202012169. The next prime is 11112202012217. The reversal of 11112202012212 is 21221020221111.

11112202012212 is a `hidden beast` number, since 11 + 11 + 220 + 201 + 221 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112202012217) 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 11 ways as a sum of consecutive naturals, for example, 22048019614 + ... + 22048020117.

Almost surely, 211112202012212 is an apocalyptic number.

11112202012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11112202012212 is an abundant number, since it is smaller than the sum of its proper divisors (20989714912684).

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

11112202012212 is a wasteful number, since it uses less digits than its factorization.

11112202012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44096039748 (or 44096039743 counting only the distinct ones).

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

Adding to 11112202012212 its reverse (21221020221111), we get a palindrome (32333222233323).

The spelling of 11112202012212 in words is "eleven trillion, one hundred twelve billion, two hundred two million, twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 44096039731 88192079462 132288119193 176384158924 264576238386 308672278117 396864357579 529152476772 617344556234 793728715158 926016834351 1234689112468 1587457430316 1852033668702 2778050503053 3704067337404 5556101006106 11112202012212