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121210020332 = 221723295726209
BaseRepresentation
bin111000011100010101…
…1100010000111101100
3102120212100001000100022
41300320223202013230
53441214231122312
6131403315221312
711520461113322
oct1607053420754
9376770030308
10121210020332
114744a995325
121b5a8ba7838
13b578aa972b
145c1bd23d12
153246320172
hex1c38ae21ec

121210020332 has 48 divisors (see below), whose sum is σ = 234448240320. Its totient is φ = 54539476992.

The previous prime is 121210020329. The next prime is 121210020419. The reversal of 121210020332 is 233020012121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 121210020332.

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, 4611644 + ... + 4637852.

It is an arithmetic number, because the mean of its divisors is an integer number (4884338340).

Almost surely, 2121210020332 is an apocalyptic number.

It is an amenable number.

121210020332 is a deficient number, since it is larger than the sum of its proper divisors (113238219988).

121210020332 is a wasteful number, since it uses less digits than its factorization.

121210020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29210 (or 29208 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121210020332 its reverse (233020012121), we get a palindrome (354230032453).

The spelling of 121210020332 in words is "one hundred twenty-one billion, two hundred ten million, twenty thousand, three hundred thirty-two".

Divisors: 1 2 4 17 23 34 46 68 92 391 782 1564 2957 5914 11828 26209 50269 52418 68011 100538 104836 136022 201076 272044 445553 602807 891106 1156187 1205614 1782212 2312374 2411228 4624748 10247719 20495438 40990876 77500013 155000026 310000052 1317500221 1782500299 2635000442 3565000598 5270000884 7130001196 30302505083 60605010166 121210020332