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120021012201 = 31941791494363
BaseRepresentation
bin110111111000111001…
…1110100111011101001
3102110210110201010211010
41233301303310323221
53431300334342301
6131045322454133
711446142525316
oct1576163647351
9373713633733
10120021012201
114699a806982
121b316964349
13b41966341c
145b48055d0d
1531c6c565d6
hex1bf1cf4ee9

120021012201 has 64 divisors (see below), whose sum is σ = 175956480000. Its totient is φ = 72511096320.

The previous prime is 120021012149. The next prime is 120021012227. The reversal of 120021012201 is 102210120021.

It is not a de Polignac number, because 120021012201 - 213 = 120021004009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120021012101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27506646 + ... + 27511008.

It is an arithmetic number, because the mean of its divisors is an integer number (2749320000).

Almost surely, 2120021012201 is an apocalyptic number.

It is an amenable number.

120021012201 is a deficient number, since it is larger than the sum of its proper divisors (55935467799).

120021012201 is a wasteful number, since it uses less digits than its factorization.

120021012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120021012201 its reverse (102210120021), we get a palindrome (222231132222).

The spelling of 120021012201 in words is "one hundred twenty billion, twenty-one million, twelve thousand, two hundred one".

Divisors: 1 3 19 41 57 79 123 149 237 447 779 1501 2337 2831 3239 4363 4503 6109 8493 9717 11771 13089 18327 35313 61541 82897 116071 178883 184623 223649 248691 344677 348213 482611 536649 650087 670947 1034031 1447833 1950261 3398777 6548863 9169609 10196331 12351653 14131757 19646589 26653567 27508827 37054959 42395271 51356873 79960701 154070619 268503383 506417773 805510149 975780587 1519253319 2105631793 2927341761 6316895379 40007004067 120021012201