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210120000000222 = 231315728360629879
BaseRepresentation
bin101111110001101001011111…
…111101011101000011011110
31000112222021110002000221012110
4233301221133331131003132
5210020101230000001342
62022515443451014450
762154445323105144
oct5761513775350336
91015867402027173
10210120000000222
1160a50434201674
121b6967b6a3a426
1390323006018a0
1439c5c10099594
151945a83e87c9c
hexbf1a5ff5d0de

210120000000222 has 64 divisors (see below), whose sum is σ = 457058107860480. Its totient is φ = 64013510231424.

The previous prime is 210120000000203. The next prime is 210120000000257. The reversal of 210120000000222 is 222000000021012.

It is a junction number, because it is equal to n+sod(n) for n = 210120000000198 and 210120000000207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26849322 + ... + 33780557.

It is an arithmetic number, because the mean of its divisors is an integer number (7141532935320).

Almost surely, 2210120000000222 is an apocalyptic number.

210120000000222 is an abundant number, since it is smaller than the sum of its proper divisors (246938107860258).

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

210120000000222 is a wasteful number, since it uses less digits than its factorization.

210120000000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60630337.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210120000000222 its reverse (222000000021012), we get a palindrome (432120000021234).

The spelling of 210120000000222 in words is "two hundred ten trillion, one hundred twenty billion, two hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 13 26 39 78 157 283 314 471 566 849 942 1698 2041 3679 4082 6123 7358 11037 12246 22074 44431 88862 133293 266586 577603 1155206 1732809 3465618 60629879 121259758 181889637 363779274 788188427 1576376854 2364565281 4729130562 9518891003 17158255757 19037782006 28556673009 34316511514 51474767271 57113346018 102949534542 123745583039 223057324841 247491166078 371236749117 446114649682 669171974523 742473498234 1338343949046 2693846153849 5387692307698 8081538461547 16163076923094 35020000000037 70040000000074 105060000000111 210120000000222