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120001222020210 = 23518439216933713
BaseRepresentation
bin11011010010001111110110…
…001101100000110001110010
3120201220000010111020002112020
4123102033312031200301302
5111212100000314121320
61103115444513012310
734163542102164246
oct3322176615406162
9521800114202466
10120001222020210
1135266261450073
121156105a554096
1351c60b3660c5b
14218c139492426
15dd1791a90940
hex6d23f6360c72

120001222020210 has 32 divisors (see below), whose sum is σ = 288018553403520. Its totient is φ = 31998590254848.

The previous prime is 120001222020077. The next prime is 120001222020217. The reversal of 120001222020210 is 12020222100021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120001222020210.

It is not an unprimeable number, because it can be changed into a prime (120001222020217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107913687 + ... + 109020026.

It is an arithmetic number, because the mean of its divisors is an integer number (9000579793860).

Almost surely, 2120001222020210 is an apocalyptic number.

120001222020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120001222020210 is an abundant number, since it is smaller than the sum of its proper divisors (168017331383310).

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

120001222020210 is a wasteful number, since it uses less digits than its factorization.

120001222020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216952162.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120001222020210 its reverse (12020222100021), we get a palindrome (132021444120231).

The spelling of 120001222020210 in words is "one hundred twenty trillion, one billion, two hundred twenty-two million, twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 18439 36878 55317 92195 110634 184390 276585 553170 216933713 433867426 650801139 1084668565 1301602278 2169337130 3254005695 6508011390 4000040734007 8000081468014 12000122202021 20000203670035 24000244404042 40000407340070 60000611010105 120001222020210