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BaseRepresentation
bin101111100110011001…
…0011001001011100100
3100202211212222112202011
41133030302121023210
53133321310311322
6114543105324004
710246051515325
oct1371462311344
9322755875664
10102220010212
113a395592691
1217989336604
139840729058
144d39c2a44c
1529d40aa677
hex17ccc992e4

102220010212 has 6 divisors (see below), whose sum is σ = 178885017878. Its totient is φ = 51110005104.

The previous prime is 102220010197. The next prime is 102220010227. The reversal of 102220010212 is 212010022201.

Adding to 102220010212 its reverse (212010022201), we get a palindrome (314230032413).

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102220010197) and next prime (102220010227).

It can be written as a sum of positive squares in only one way, i.e., 62673119716 + 39546890496 = 250346^2 + 198864^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102220010192 and 102220010201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777501273 + ... + 12777501280.

Almost surely, 2102220010212 is an apocalyptic number.

It is an amenable number.

102220010212 is a deficient number, since it is larger than the sum of its proper divisors (76665007666).

102220010212 is a wasteful number, since it uses less digits than its factorization.

102220010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25555002557 (or 25555002555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The spelling of 102220010212 in words is "one hundred two billion, two hundred twenty million, ten thousand, two hundred twelve".