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101000001212 = 221147791016121
BaseRepresentation
bin101111000010000010…
…0011011011010111100
3100122200212022200000122
41132010010123122330
53123322000014322
6114222044314112
710203605562635
oct1360404333274
9318625280018
10101000001212
113991995a890
12176a8842938
1396a7a4a336
144c61bac88c
152961e1b442
hex178411b6bc

101000001212 has 96 divisors (see below), whose sum is σ = 201420656640. Its totient is φ = 43917120000.

The previous prime is 101000001209. The next prime is 101000001217. The reversal of 101000001212 is 212100000101.

It is a self number, because there is not a number n which added to its sum of digits gives 101000001212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000001217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16497512 + ... + 16503632.

It is an arithmetic number, because the mean of its divisors is an integer number (2098131840).

Almost surely, 2101000001212 is an apocalyptic number.

It is an amenable number.

101000001212 is a deficient number, since it is larger than the sum of its proper divisors (100420655428).

101000001212 is a wasteful number, since it uses less digits than its factorization.

101000001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363 (or 6361 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101000001212 its reverse (212100000101), we get a palindrome (313100001313).

The spelling of 101000001212 in words is "one hundred one billion, one thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 47 79 94 101 158 188 202 316 404 517 869 1034 1111 1738 2068 2222 3476 3713 4444 4747 6121 7426 7979 9494 12242 14852 15958 18988 24484 31916 40843 52217 67331 81686 87769 104434 134662 163372 175538 208868 269324 287687 351076 375013 483559 575374 618221 750026 967118 1150748 1236442 1500052 1934236 2472884 3164557 4125143 5319149 6329114 6800431 8250286 10638298 12658228 13600862 16500572 21276596 22727273 27201724 29056387 45454546 48839459 58112774 90909092 97678918 116225548 195357836 250000003 319620257 500000006 537234049 639240514 1000000012 1074468098 1278481028 2148936196 2295454573 4590909146 9181818292 25250000303 50500000606 101000001212