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121101302112212 = 22194782374115933
BaseRepresentation
bin11011100010010000011000…
…000110000001111111010100
3120212210011121221222221211102
4123202100120012001333110
5111333110431320042322
61105321100431125232
734336165105530212
oct3342203006017724
9525704557887742
10121101302112212
113564a856a353a4
12116ba2b1073818
135275a5abcc436
1421c9497447cb2
15e001c95b2792
hex6e2418181fd4

121101302112212 has 48 divisors (see below), whose sum is σ = 227855472042240. Its totient is φ = 56136439216512.

The previous prime is 121101302112211. The next prime is 121101302112227. The reversal of 121101302112212 is 212211203101121.

It is a super-2 number, since 2×1211013021122122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101302112211) 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, 27364598 + ... + 31480530.

It is an arithmetic number, because the mean of its divisors is an integer number (4746989000880).

Almost surely, 2121101302112212 is an apocalyptic number.

It is an amenable number.

121101302112212 is a deficient number, since it is larger than the sum of its proper divisors (106754169930028).

121101302112212 is a wasteful number, since it uses less digits than its factorization.

121101302112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124240 (or 4124238 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 121101302112212 its reverse (212211203101121), we get a palindrome (333312505213333).

The spelling of 121101302112212 in words is "one hundred twenty-one trillion, one hundred one billion, three hundred two million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 19 38 47 76 94 188 893 1786 3572 8237 16474 32948 156503 313006 387139 626012 774278 1548556 4115933 7355641 8231866 14711282 16463732 29422564 78202727 156405454 193448851 312810908 386897702 773795404 3675528169 7351056338 14702112676 33902940121 67805880242 135611760484 644155862299 1288311724598 1593438185687 2576623449196 3186876371374 6373752742748 30275325528053 60550651056106 121101302112212