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121013102031200 = 2552169319893381
BaseRepresentation
bin11011100000111110001110…
…111101011011000101100000
3120212110201222010222121101022
4123200332032331123011200
5111330134313104444300
61105212352425225012
734326623323312661
oct3340761675330540
9525421863877338
10121013102031200
1135616406323065
12116a5197032168
13526a642c6c3a2
1421c50cb601368
15decc66275285
hex6e0f8ef5b160

121013102031200 has 72 divisors (see below), whose sum is σ = 295425310788720. Its totient is φ = 48404900748800.

The previous prime is 121013102031191. The next prime is 121013102031221. The reversal of 121013102031200 is 2130201310121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135008510 + ... + 135901890.

It is an arithmetic number, because the mean of its divisors is an integer number (4103129316510).

Almost surely, 2121013102031200 is an apocalyptic number.

121013102031200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121013102031200 is an abundant number, since it is smaller than the sum of its proper divisors (174412208757520).

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

121013102031200 is a wasteful number, since it uses less digits than its factorization.

121013102031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062720 (or 1062707 counting only the distinct ones).

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

Adding to 121013102031200 its reverse (2130201310121), we get a palindrome (123143303341321).

The spelling of 121013102031200 in words is "one hundred twenty-one trillion, thirteen billion, one hundred two million, thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 169319 338638 677276 846595 893381 1354552 1693190 1786762 2709104 3386380 3573524 4232975 4466905 5418208 6772760 7147048 8465950 8933810 13545520 14294096 16931900 17867620 22334525 27091040 28588192 33863800 35735240 44669050 67727600 71470480 89338100 135455200 142940960 178676200 357352400 714704800 151266377539 302532755078 605065510156 756331887695 1210131020312 1512663775390 2420262040624 3025327550780 3781659438475 4840524081248 6050655101560 7563318876950 12101310203120 15126637753900 24202620406240 30253275507800 60506551015600 121013102031200