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121210002002012 = 227112317110389893
BaseRepresentation
bin11011100011110101100111…
…000111001101000001011100
3120220011120012110000111021212
4123203311213013031001130
5111341401041003031022
61105443034535043552
734350063562411010
oct3343654707150134
9526146173014255
10121210002002012
1135691967212470
12117173885105b8
135283091c53161
1421d0849abc540
15e02e3c4973e2
hex6e3d671cd05c

121210002002012 has 48 divisors (see below), whose sum is σ = 275956368210432. Its totient is φ = 45171429314880.

The previous prime is 121210002001993. The next prime is 121210002002053. The reversal of 121210002002012 is 210200200012121.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 8555187863 + ... + 8555202030.

It is an arithmetic number, because the mean of its divisors is an integer number (5749091004384).

Almost surely, 2121210002002012 is an apocalyptic number.

It is an amenable number.

121210002002012 is an abundant number, since it is smaller than the sum of its proper divisors (154746366208420).

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

121210002002012 is a wasteful number, since it uses less digits than its factorization.

121210002002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17110389938 (or 17110389936 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121210002002012 its reverse (210200200012121), we get a palindrome (331410202014133).

The spelling of 121210002002012 in words is "one hundred twenty-one trillion, two hundred ten billion, two million, two thousand, twelve".

Divisors: 1 2 4 7 11 14 22 23 28 44 46 77 92 154 161 253 308 322 506 644 1012 1771 3542 7084 17110389893 34220779786 68441559572 119772729251 188214288823 239545458502 376428577646 393538967539 479090917004 752857155292 787077935078 1317500021761 1574155870156 2635000043522 2754772772773 4328928642929 5270000087044 5509545545546 8657857285858 11019091091092 17315714571716 30302500500503 60605001001006 121210002002012