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121212113002 = 21073463163561
BaseRepresentation
bin111000011100011001…
…1100001000001101010
3102120212110222022221121
41300320303201001222
53441220300104002
6131403432125454
711520514650361
oct1607063410152
9376773868847
10121212113002
1147451094602
121b5a983688a
13b5793600b6
145c1c30a7d8
1532465d5237
hex1c38ce106a

121212113002 has 16 divisors (see below), whose sum is σ = 183571520832. Its totient is φ = 60021940320.

The previous prime is 121212112997. The next prime is 121212113003. The reversal of 121212113002 is 200311212121.

It is not an unprimeable number, because it can be changed into a prime (121212113003) 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, 659302 + ... + 822862.

It is an arithmetic number, because the mean of its divisors is an integer number (11473220052).

Almost surely, 2121212113002 is an apocalyptic number.

121212113002 is a deficient number, since it is larger than the sum of its proper divisors (62359407830).

121212113002 is a wasteful number, since it uses less digits than its factorization.

121212113002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167133.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121212113002 its reverse (200311212121), we get a palindrome (321523325123).

The spelling of 121212113002 in words is "one hundred twenty-one billion, two hundred twelve million, one hundred thirteen thousand, two".

Divisors: 1 2 107 214 3463 6926 163561 327122 370541 741082 17501027 35002054 566411743 1132823486 60606056501 121212113002