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12013020120122 = 2723315131183877
BaseRepresentation
bin1010111011001111111111…
…0011000000010000111010
31120112102201000201201212122
42232303333303000100322
53033310131122320442
641314412200241242
72346624560136260
oct256637763002072
946472630651778
1012013020120122
11391176975185a
121420254170222
13691a90cb7588
142d760cca4430
1515c745ee8dd2
hexaecffcc043a

12013020120122 has 32 divisors (see below), whose sum is σ = 21489829224192. Its totient is φ = 4924431667584.

The previous prime is 12013020120107. The next prime is 12013020120133. The reversal of 12013020120122 is 22102102031021.

It is a self number, because there is not a number n which added to its sum of digits gives 12013020120122.

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, 9555248 + ... + 10739124.

It is an arithmetic number, because the mean of its divisors is an integer number (671557163256).

Almost surely, 212013020120122 is an apocalyptic number.

12013020120122 is a deficient number, since it is larger than the sum of its proper divisors (9476809104070).

12013020120122 is a wasteful number, since it uses less digits than its factorization.

12013020120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215422.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12013020120122 its reverse (22102102031021), we get a palindrome (34115122151143).

The spelling of 12013020120122 in words is "twelve trillion, thirteen billion, twenty million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 7 14 23 46 161 322 31513 63026 220591 441182 724799 1183877 1449598 2367754 5073593 8287139 10147186 16574278 27229171 54458342 190604197 381208394 37307515901 74615031802 261152611307 522305222614 858072865723 1716145731446 6006510060061 12013020120122