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12021102102010 = 254779043323581
BaseRepresentation
bin1010111011101110000110…
…0001010100010111111010
31120120012120021101221210011
42232323201201110113322
53033423204114231020
641322230145212134
72350332054635551
oct256734141242772
946505507357704
1012021102102010
113915136824431
12142192a93104a
1369277b502b91
142d7b783ccd98
1515ca6a7da35a
hexaeee18545fa

12021102102010 has 32 divisors (see below), whose sum is σ = 22098714285312. Its totient is φ = 4706059506240.

The previous prime is 12021102102007. The next prime is 12021102102011. The reversal of 12021102102010 is 1020120112021.

It is not an unprimeable number, because it can be changed into a prime (12021102102011) 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, 36988420 + ... + 37312000.

It is an arithmetic number, because the mean of its divisors is an integer number (690584821416).

Almost surely, 212021102102010 is an apocalyptic number.

12021102102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021102102010 is a deficient number, since it is larger than the sum of its proper divisors (10077612183302).

12021102102010 is a wasteful number, since it uses less digits than its factorization.

12021102102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402678.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12021102102010 its reverse (1020120112021), we get a palindrome (13041222214031).

The spelling of 12021102102010 in words is "twelve trillion, twenty-one billion, one hundred two million, one hundred two thousand, ten".

Divisors: 1 2 5 10 47 94 235 470 79043 158086 323581 395215 647162 790430 1617905 3235810 3715021 7430042 15208307 18575105 30416614 37150210 76041535 152083070 25576812983 51153625966 127884064915 255768129830 1202110210201 2404220420402 6010551051005 12021102102010