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121213011032 = 235324110131171
BaseRepresentation
bin111000011100011011…
…0111100010001011000
3102120212112122221210222
41300320312330101120
53441221012323112
6131403503255212
711520525410501
oct1607066742130
9376775587728
10121213011032
1147451648283
121b5a9baa508
13b5795b5a89
145c1c4a1ba8
153246711372
hex1c38dbc458

121213011032 has 64 divisors (see below), whose sum is σ = 232951736160. Its totient is φ = 59107276800.

The previous prime is 121213011013. The next prime is 121213011037. The reversal of 121213011032 is 230110312121.

It is a self number, because there is not a number n which added to its sum of digits gives 121213011032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121213011037) 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, 103511807 + ... + 103512977.

Almost surely, 2121213011032 is an apocalyptic number.

It is an amenable number.

121213011032 is a deficient number, since it is larger than the sum of its proper divisors (111738725128).

121213011032 is a wasteful number, since it uses less digits than its factorization.

121213011032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484 (or 2480 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121213011032 its reverse (230110312121), we get a palindrome (351323323153).

The spelling of 121213011032 in words is "one hundred twenty-one billion, two hundred thirteen million, eleven thousand, thirty-two".

Divisors: 1 2 4 8 53 106 212 241 424 482 964 1013 1171 1928 2026 2342 4052 4684 8104 9368 12773 25546 51092 53689 62063 102184 107378 124126 214756 244133 248252 282211 429512 488266 496504 564422 976532 1128844 1186223 1953064 2257688 2372446 4744892 9489784 12939049 14957183 25878098 29914366 51756196 59828732 62869819 103512392 119657464 125739638 251479276 285879743 502958552 571759486 1143518972 2287037944 15151626379 30303252758 60606505516 121213011032