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103212101010212 = 221091087259383987
BaseRepresentation
bin10111011101111011110000…
…100111100000001100100100
3111112102222110210001111112122
4113131323300213200030210
5102012011340324311322
61003302552403005112
730511554036220445
oct2735736047401444
9445388423044478
10103212101010212
112a983008317137
12b6ab243969798
134578b2303508c
141b6b6c6dbd2cc
15bdebb4a0c442
hex5ddef09e0324

103212101010212 has 48 divisors (see below), whose sum is σ = 182518475166720. Its totient is φ = 51065251034112.

The previous prime is 103212101010211. The next prime is 103212101010229. The reversal of 103212101010212 is 212010101212301.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (103212101010211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228863683 + ... + 1228947669.

It is an arithmetic number, because the mean of its divisors is an integer number (3802468232640).

Almost surely, 2103212101010212 is an apocalyptic number.

It is an amenable number.

103212101010212 is a deficient number, since it is larger than the sum of its proper divisors (79306374156508).

103212101010212 is a wasteful number, since it uses less digits than its factorization.

103212101010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87780 (or 87778 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 103212101010212 its reverse (212010101212301), we get a palindrome (315222202222513).

The spelling of 103212101010212 in words is "one hundred three trillion, two hundred twelve billion, one hundred one million, ten thousand, two hundred twelve".

Divisors: 1 2 4 109 218 436 1087 2174 2593 4348 5186 10372 83987 118483 167974 236966 282637 335948 473932 565274 1130548 2818591 5637182 9154583 11274364 18309166 36618332 91293869 182587738 217778291 307226419 365175476 435556582 614452838 871113164 1228905676 9951031721 19902063442 23737833719 39804126884 47475667438 94951334876 236725002317 473450004634 946900009268 25803025252553 51606050505106 103212101010212