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121011212002 = 21910429305351
BaseRepresentation
bin111000010110011010…
…1001000111011100010
3102120100110221111120211
41300230311020323202
53440312332241002
6131331454124334
711512525221232
oct1605465107342
9376313844524
10121011212002
114735874671a
121b5524b06aa
13b54684b975
145bdd771cc2
153233b4ddd7
hex1c2cd48ee2

121011212002 has 16 divisors (see below), whose sum is σ = 191089281600. Its totient is φ = 57315416400.

The previous prime is 121011211991. The next prime is 121011212009. The reversal of 121011212002 is 200212110121.

It is not an unprimeable number, because it can be changed into a prime (121011212009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243627 + ... + 548977.

It is an arithmetic number, because the mean of its divisors is an integer number (11943080100).

Almost surely, 2121011212002 is an apocalyptic number.

121011212002 is a deficient number, since it is larger than the sum of its proper divisors (70078069598).

121011212002 is a wasteful number, since it uses less digits than its factorization.

121011212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315801.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121011212002 its reverse (200212110121), we get a palindrome (321223322123).

The spelling of 121011212002 in words is "one hundred twenty-one billion, eleven million, two hundred twelve thousand, two".

Divisors: 1 2 19 38 10429 20858 198151 305351 396302 610702 5801669 11603338 3184505579 6369011158 60505606001 121011212002