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1212030202330 = 251097110485889
BaseRepresentation
bin10001101000110010101…
…000010011000111011010
311021212110110122201010201
4101220302220103013122
5124324214212433310
62324444325332414
7153365144510143
oct21506250230732
94255413581121
101212030202330
114280234a7172
12176a9656710a
138a3a8a9561c
144293c168aca
15217dae24e3a
hex11a32a131da

1212030202330 has 16 divisors (see below), whose sum is σ = 2183643129960. Its totient is φ = 484370132992.

The previous prime is 1212030202283. The next prime is 1212030202363. The reversal of 1212030202330 is 332020302121.

It can be written as a sum of positive squares in 4 ways, for example, as 1103085977841 + 108944224489 = 1050279^2 + 330067^2 .

It is a super-2 number, since 2×12120302023302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212030202298 and 1212030202307.

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, 55231975 + ... + 55253914.

Almost surely, 21212030202330 is an apocalyptic number.

1212030202330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212030202330 is a deficient number, since it is larger than the sum of its proper divisors (971612927630).

1212030202330 is a wasteful number, since it uses less digits than its factorization.

1212030202330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110486993.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1212030202330 its reverse (332020302121), we get a palindrome (1544050504451).

The spelling of 1212030202330 in words is "one trillion, two hundred twelve billion, thirty million, two hundred two thousand, three hundred thirty".

Divisors: 1 2 5 10 1097 2194 5485 10970 110485889 220971778 552429445 1104858890 121203020233 242406040466 606015101165 1212030202330