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122320211412 = 22372689541537
BaseRepresentation
bin111000111101011011…
…0100100110111010100
3102200201201001120012110
41301322312210313110
54001002433231122
6132105414351020
711560131433110
oct1617266446724
9380651046173
10122320211412
114796a630313
121b85895b470
13b6c4ab7c29
145cc5556740
1532ada1a90c
hex1c7ada4dd4

122320211412 has 48 divisors (see below), whose sum is σ = 326309137280. Its totient is φ = 34935570432.

The previous prime is 122320211381. The next prime is 122320211423. The reversal of 122320211412 is 214112023221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44893 + ... + 496644.

Almost surely, 2122320211412 is an apocalyptic number.

122320211412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122320211412 is an abundant number, since it is smaller than the sum of its proper divisors (203988925868).

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

122320211412 is a wasteful number, since it uses less digits than its factorization.

122320211412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544240 (or 544238 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 122320211412 its reverse (214112023221), we get a palindrome (336432234633).

The spelling of 122320211412 in words is "one hundred twenty-two billion, three hundred twenty million, two hundred eleven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2689 5378 8067 10756 16134 18823 32268 37646 56469 75292 112938 225876 541537 1083074 1624611 2166148 3249222 3790759 6498444 7581518 11372277 15163036 22744554 45489108 1456192993 2912385986 4368578979 5824771972 8737157958 10193350951 17474315916 20386701902 30580052853 40773403804 61160105706 122320211412