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102120000222 = 23293715862069
BaseRepresentation
bin101111100011011010…
…0111000101011011110
3100202120220210111211110
41133012310320223132
53133120210001342
6114525134002450
710243425452112
oct1370664705336
9322526714743
10102120000222
113a3440946a9
121795b946426
139825ab0b46
144d2a835742
1529ca402c9c
hex17c6d38ade

102120000222 has 32 divisors (see below), whose sum is σ = 216993117600. Its totient is φ = 31977929088.

The previous prime is 102120000181. The next prime is 102120000289. The reversal of 102120000222 is 222000021201.

It is a junction number, because it is equal to n+sod(n) for n = 102120000198 and 102120000207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7924597 + ... + 7937472.

It is an arithmetic number, because the mean of its divisors is an integer number (6781034925).

Almost surely, 2102120000222 is an apocalyptic number.

102120000222 is an abundant number, since it is smaller than the sum of its proper divisors (114873117378).

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

102120000222 is a wasteful number, since it uses less digits than its factorization.

102120000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862140.

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

Adding to 102120000222 its reverse (222000021201), we get a palindrome (324120021423).

The spelling of 102120000222 in words is "one hundred two billion, one hundred twenty million, two hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 29 37 58 74 87 111 174 222 1073 2146 3219 6438 15862069 31724138 47586207 95172414 460000001 586896553 920000002 1173793106 1380000003 1760689659 2760000006 3521379318 17020000037 34040000074 51060000111 102120000222