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121012211201012 = 22144720907431099
BaseRepresentation
bin11011100000111101011001…
…110111001011001111110100
3120212110122200001201202002122
4123200331121313023033310
5111330131002031413022
61105212124203455112
734326562255345265
oct3340753167131764
9525418601652078
10121012211201012
1135615a9949416a
12116a4b88827498
13526a530536731
1421c504519096c
15decc12e5a742
hex6e0f59dcb3f4

121012211201012 has 12 divisors (see below), whose sum is σ = 211917721629600. Its totient is φ = 60464290735416.

The previous prime is 121012211201003. The next prime is 121012211201059. The reversal of 121012211201012 is 210102112210121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10453709762 + ... + 10453721337.

It is an arithmetic number, because the mean of its divisors is an integer number (17659810135800).

Almost surely, 2121012211201012 is an apocalyptic number.

It is an amenable number.

121012211201012 is a deficient number, since it is larger than the sum of its proper divisors (90905510428588).

121012211201012 is a wasteful number, since it uses less digits than its factorization.

121012211201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20907432550 (or 20907432548 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121012211201012 its reverse (210102112210121), we get a palindrome (331114323411133).

The spelling of 121012211201012 in words is "one hundred twenty-one trillion, twelve billion, two hundred eleven million, two hundred one thousand, twelve".

Divisors: 1 2 4 1447 2894 5788 20907431099 41814862198 83629724396 30253052800253 60506105600506 121012211201012