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101212002120102 = 23157107443738981
BaseRepresentation
bin10111000000110101000001…
…011011101111000110100110
3111021100202212110010111211220
4113000311001123233012212
5101231224140020320402
6555132052450241210
730214216523162136
oct2700650133570646
9437322773114756
10101212002120102
112a281850672795
12b427692886206
134462335158463
141adc98934aac6
15ba7b52ee8dbc
hex5c0d416ef1a6

101212002120102 has 16 divisors (see below), whose sum is σ = 203713329109872. Its totient is φ = 33522446561760.

The previous prime is 101212002120077. The next prime is 101212002120109. The reversal of 101212002120102 is 201021200212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212002120109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53721868549 + ... + 53721870432.

It is an arithmetic number, because the mean of its divisors is an integer number (12732083069367).

Almost surely, 2101212002120102 is an apocalyptic number.

101212002120102 is an abundant number, since it is smaller than the sum of its proper divisors (102501326989770).

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

101212002120102 is a wasteful number, since it uses less digits than its factorization.

101212002120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107443739143.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101212002120102 its reverse (201021200212101), we get a palindrome (302233202332203).

The spelling of 101212002120102 in words is "one hundred one trillion, two hundred twelve billion, two million, one hundred twenty thousand, one hundred two".

Divisors: 1 2 3 6 157 314 471 942 107443738981 214887477962 322331216943 644662433886 16868667020017 33737334040034 50606001060051 101212002120102