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121232223032 = 23314373155731
BaseRepresentation
bin111000011101000000…
…0001110101100111000
3102120220212211000201112
41300322000032230320
53441240422114112
6131405431135452
711521150615244
oct1607200165470
9376825730645
10121232223032
114746147a568
121b5b4514588
13b58058161b
145c20c63424
153248258a22
hex1c3a00eb38

121232223032 has 64 divisors (see below), whose sum is σ = 243390428160. Its totient is φ = 56511302400.

The previous prime is 121232222987. The next prime is 121232223041. The reversal of 121232223032 is 230322232121.

It is a junction number, because it is equal to n+sod(n) for n = 121232222989 and 121232223007.

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, 700607 + ... + 856337.

It is an arithmetic number, because the mean of its divisors is an integer number (3802975440).

Almost surely, 2121232223032 is an apocalyptic number.

It is an amenable number.

121232223032 is an abundant number, since it is smaller than the sum of its proper divisors (122158205128).

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

121232223032 is a wasteful number, since it uses less digits than its factorization.

121232223032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155884 (or 155880 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 121232223032 its reverse (230322232121), we get a palindrome (351554455153).

The spelling of 121232223032 in words is "one hundred twenty-one billion, two hundred thirty-two million, two hundred twenty-three thousand, thirty-two".

Divisors: 1 2 4 8 31 43 62 73 86 124 146 172 248 292 344 584 1333 2263 2666 3139 4526 5332 6278 9052 10664 12556 18104 25112 97309 155731 194618 311462 389236 622924 778472 1245848 4827661 6696433 9655322 11368363 13392866 19310644 22736726 26785732 38621288 45473452 53571464 90946904 207589423 352419253 415178846 488839609 704838506 830357692 977679218 1409677012 1660715384 1955358436 2819354024 3910716872 15154027879 30308055758 60616111516 121232223032