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121012102022 = 2725577337949
BaseRepresentation
bin111000010110011100…
…0100010001110000110
3102120100112121201110112
41300230320202032012
53440313044231042
6131331525153022
711512535616110
oct1605470421606
9376315551415
10121012102022
11473591a4379
121b55285b772
13b546aa0ac6
145bdd9243b0
153233c77982
hex1c2ce22386

121012102022 has 16 divisors (see below), whose sum is σ = 207458042400. Its totient is φ = 51860148288.

The previous prime is 121012102021. The next prime is 121012102037. The reversal of 121012102022 is 220201210121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 121012101988 and 121012102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012102021) 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, 189104 + ... + 527052.

It is an arithmetic number, because the mean of its divisors is an integer number (12966127650).

Almost surely, 2121012102022 is an apocalyptic number.

121012102022 is a deficient number, since it is larger than the sum of its proper divisors (86445940378).

121012102022 is a wasteful number, since it uses less digits than its factorization.

121012102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363535.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121012102022 its reverse (220201210121), we get a palindrome (341213312143).

The spelling of 121012102022 in words is "one hundred twenty-one billion, twelve million, one hundred two thousand, twenty-two".

Divisors: 1 2 7 14 25577 51154 179039 337949 358078 675898 2365643 4731286 8643721573 17287443146 60506051011 121012102022