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101212105330 = 25723594571259
BaseRepresentation
bin101111001000010110…
…1100010101001110010
3100200020122102200011201
41132100231202221302
53124240244332310
6114255102401414
710212062462200
oct1362055425162
9320218380151
10101212105330
1139a1865a846
121774789026a
13970c981b2b
144c82022070
152975866e3a
hex1790b62a72

101212105330 has 96 divisors (see below), whose sum is σ = 213150268800. Its totient is φ = 34501485312.

The previous prime is 101212105307. The next prime is 101212105331. The reversal of 101212105330 is 33501212101.

It is a junction number, because it is equal to n+sod(n) for n = 101212105298 and 101212105307.

It is not an unprimeable number, because it can be changed into a prime (101212105331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80390241 + ... + 80391499.

It is an arithmetic number, because the mean of its divisors is an integer number (2220315300).

Almost surely, 2101212105330 is an apocalyptic number.

101212105330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212105330 is an abundant number, since it is smaller than the sum of its proper divisors (111938163470).

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

101212105330 is a wasteful number, since it uses less digits than its factorization.

101212105330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2089 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 101212105330 its reverse (33501212101), we get a palindrome (134713317431).

The spelling of 101212105330 in words is "one hundred one billion, two hundred twelve million, one hundred five thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 359 457 490 718 914 1259 1795 2285 2513 2518 3199 3590 4570 5026 6295 6398 8813 12565 12590 15995 17591 17626 22393 25130 31990 35182 44065 44786 61691 87955 88130 111965 123382 164063 175910 223930 308455 328126 451981 575363 616910 820315 903962 1148441 1150726 1640630 2259905 2296882 2876815 3163867 4027541 4519810 5742205 5753630 6327734 8039087 8055082 11484410 15819335 16078174 20137705 22147069 28192787 31638670 40195435 40275410 44294138 56385574 80390870 110735345 140963935 206555317 221470690 281927870 413110634 1032776585 1445887219 2065553170 2891774438 7229436095 10121210533 14458872190 20242421066 50606052665 101212105330