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1001021010212 = 221779186340471
BaseRepresentation
bin11101001000100011000…
…00000111000100100100
310112200210212122010012002
432210101200013010210
5112400042334311322
62043510202144432
7132215143124126
oct16442140070444
93480725563162
101001021010212
11356592299a93
12142007ab2118
137351b980bb2
1436641ca3216
151b08b1e7c92
hexe911807124

1001021010212 has 24 divisors (see below), whose sum is σ = 1878311957760. Its totient is φ = 465105813120.

The previous prime is 1001021010181. The next prime is 1001021010221. The reversal of 1001021010212 is 2120101201001.

It is a junction number, because it is equal to n+sod(n) for n = 1001021010193 and 1001021010202.

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, 93164864 + ... + 93175607.

It is an arithmetic number, because the mean of its divisors is an integer number (78262998240).

Almost surely, 21001021010212 is an apocalyptic number.

It is an amenable number.

1001021010212 is a deficient number, since it is larger than the sum of its proper divisors (877290947548).

1001021010212 is a wasteful number, since it uses less digits than its factorization.

1001021010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186340571 (or 186340569 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001021010212 its reverse (2120101201001), we get a palindrome (3121122211213).

The spelling of 1001021010212 in words is "one trillion, one billion, twenty-one million, ten thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 79 158 316 1343 2686 5372 186340471 372680942 745361884 3167788007 6335576014 12671152028 14720897209 29441794418 58883588836 250255252553 500510505106 1001021010212