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120210210021020 = 2257858644357293
BaseRepresentation
bin11011010101010010011110…
…110111011101111010011100
3120202121222120020000112020112
4123111102132313131322130
5111224011002231133040
61103355450315105152
734214621031655250
oct3325223667357234
9522558506015215
10120210210021020
1135336955757309
12115956641421b8
13520ca0aabb8b2
1421982c3144260
15dd6e24121365
hex6d549eddde9c

120210210021020 has 24 divisors (see below), whose sum is σ = 288504504050784. Its totient is φ = 41214929150016.

The previous prime is 120210210020947. The next prime is 120210210021029. The reversal of 120210210021020 is 20120012012021.

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 = 120210210020986 and 120210210021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120210210021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429322178507 + ... + 429322178786.

It is an arithmetic number, because the mean of its divisors is an integer number (12021021002116).

Almost surely, 2120210210021020 is an apocalyptic number.

120210210021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120210210021020 is an abundant number, since it is smaller than the sum of its proper divisors (168294294029764).

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

120210210021020 is a wasteful number, since it uses less digits than its factorization.

120210210021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858644357309 (or 858644357307 counting only the distinct ones).

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

Adding to 120210210021020 its reverse (20120012012021), we get a palindrome (140330222033041).

The spelling of 120210210021020 in words is "one hundred twenty trillion, two hundred ten billion, two hundred ten million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 858644357293 1717288714586 3434577429172 4293221786465 6010510501051 8586443572930 12021021002102 17172887145860 24042042004204 30052552505255 60105105010510 120210210021020