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12120300323212 = 2215739294912151
BaseRepresentation
bin1011000001011111101000…
…1100100000000110001100
31120220200121120100201021211
42300113322030200012030
53042034333340320322
641435553351304204
72360443224621544
oct260277214400614
946820546321254
1012120300323212
113953210614224
121438bb407b064
1369bc29b88ba3
142dc8a8b80324
1516042444ab77
hexb05fa32018c

12120300323212 has 24 divisors (see below), whose sum is σ = 21351061640160. Its totient is φ = 6020016662400.

The previous prime is 12120300323143. The next prime is 12120300323239. The reversal of 12120300323212 is 21232300302121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11337 + ... + 4923487.

It is an arithmetic number, because the mean of its divisors is an integer number (889627568340).

Almost surely, 212120300323212 is an apocalyptic number.

It is an amenable number.

12120300323212 is a deficient number, since it is larger than the sum of its proper divisors (9230761316948).

12120300323212 is a wasteful number, since it uses less digits than its factorization.

12120300323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916241 (or 4916239 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12120300323212 its reverse (21232300302121), we get a palindrome (33352600625333).

The spelling of 12120300323212 in words is "twelve trillion, one hundred twenty billion, three hundred million, three hundred twenty-three thousand, two hundred twelve".

Divisors: 1 2 4 157 314 628 3929 7858 15716 616853 1233706 2467412 4912151 9824302 19648604 771207707 1542415414 3084830828 19299841279 38599682558 77199365116 3030075080803 6060150161606 12120300323212