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2123222320120 = 235117167964863
BaseRepresentation
bin11110111001011001111…
…010011000001111111000
321111222102000101021200011
4132321121322120033320
5234241324403220440
64303221142551304
7306253266641536
oct36713172301770
97458360337604
102123222320120
117494a9713790
122a35b2a38534
131252b0203725
1474a9bb51156
153a36acde9ea
hex1ee59e983f8

2123222320120 has 64 divisors (see below), whose sum is σ = 5284947824640. Its totient is φ = 761206454400.

The previous prime is 2123222320033. The next prime is 2123222320123. The reversal of 2123222320120 is 210232223212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2123222320091 and 2123222320100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123222320123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33951192 + ... + 34013671.

It is an arithmetic number, because the mean of its divisors is an integer number (82577309760).

Almost surely, 22123222320120 is an apocalyptic number.

2123222320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123222320120 is an abundant number, since it is smaller than the sum of its proper divisors (3161725504520).

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

2123222320120 is a wasteful number, since it uses less digits than its factorization.

2123222320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67964956 (or 67964952 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2123222320120 its reverse (210232223212), we get a palindrome (2333454543332).

The spelling of 2123222320120 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-two million, three hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 71 88 110 142 220 284 355 440 568 710 781 1420 1562 2840 3124 3905 6248 7810 15620 31240 67964863 135929726 271859452 339824315 543718904 679648630 747613493 1359297260 1495226986 2718594520 2990453972 3738067465 4825505273 5980907944 7476134930 9651010546 14952269860 19302021092 24127526365 29904539720 38604042184 48255052730 53080558003 96510105460 106161116006 193020210920 212322232012 265402790015 424644464024 530805580030 1061611160060 2123222320120