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2120221200212 = 2223156291474559
BaseRepresentation
bin11110110110100111000…
…010000000111101010100
321111200122212020121002222
4132312213002000331110
5234214203111401322
64302003254321512
7306116025563033
oct36664702007524
97450585217088
102120221200212
117481a96589a5
122a2ab5959298
13124c2251952b
147489533671a
153a2425c8e42
hex1eda7080f54

2120221200212 has 24 divisors (see below), whose sum is σ = 3871958630400. Its totient is φ = 1013953266656.

The previous prime is 2120221200103. The next prime is 2120221200257. The reversal of 2120221200212 is 2120021220212.

It is a happy number.

It is a super-3 number, since 3×21202212002123 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700589 + ... + 2175147.

It is an arithmetic number, because the mean of its divisors is an integer number (161331609600).

Almost surely, 22120221200212 is an apocalyptic number.

It is an amenable number.

2120221200212 is a deficient number, since it is larger than the sum of its proper divisors (1751737430188).

2120221200212 is a wasteful number, since it uses less digits than its factorization.

2120221200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490215 (or 1490213 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2120221200212 its reverse (2120021220212), we get a palindrome (4240242420424).

The spelling of 2120221200212 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, two hundred thousand, two hundred twelve".

Divisors: 1 2 4 23 46 92 15629 31258 62516 359467 718934 1437868 1474559 2949118 5898236 33914857 67829714 135659428 23045882611 46091765222 92183530444 530055300053 1060110600106 2120221200212