Search a number
-
+
121210120112022 = 23259143979314679
BaseRepresentation
bin11011100011110101101110…
…001001110000011110010110
3120220011120111200021002202200
4123203311232021300132112
5111341401311222041042
61105443054354345330
734350066525341034
oct3343655611603626
9526146450232680
10121210120112022
1135691a17953247
12117173bbb8b246
1352830b0567a36
1421d085b665554
15e02e47a27c4c
hex6e3d6e270796

121210120112022 has 48 divisors (see below), whose sum is σ = 267258745728000. Its totient is φ = 39690968423472.

The previous prime is 121210120112017. The next prime is 121210120112131. The reversal of 121210120112022 is 220211021012121.

121210120112022 is a `hidden beast` number, since 121 + 210 + 120 + 11 + 202 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121210120111986 and 121210120112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38129122 + ... + 41185557.

It is an arithmetic number, because the mean of its divisors is an integer number (5567890536000).

Almost surely, 2121210120112022 is an apocalyptic number.

121210120112022 is an abundant number, since it is smaller than the sum of its proper divisors (146048625615978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121210120112022 is a wasteful number, since it uses less digits than its factorization.

121210120112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79316185 (or 79316182 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121210120112022 its reverse (220211021012121), we get a palindrome (341421141124143).

Subtracting 121210120112022 from its reverse (220211021012121), we obtain a palindrome (99000900900099).

The spelling of 121210120112022 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty million, one hundred twelve thousand, twenty-two".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1062 1439 2878 4317 8634 12951 25902 84901 169802 254703 509406 764109 1528218 79314679 158629358 237944037 475888074 713832111 1427664222 4679566061 9359132122 14038698183 28077396366 42116094549 84232189098 114133823081 228267646162 342401469243 684802938486 1027204407729 2054408815458 6733895561779 13467791123558 20201686685337 40403373370674 60605060056011 121210120112022