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1210212022120 = 23547906770997
BaseRepresentation
bin10001100111000110010…
…000011111011101101000
311021200202202102120202221
4101213012100133131220
5124312003234201440
62323544055403424
7153302116313203
oct21470620373550
94250682376687
101210212022120
114272801554a2
12176669683574
138a1791ab54a
14428088bc93a
15217314c9d4a
hex119c641f768

1210212022120 has 64 divisors (see below), whose sum is σ = 2781258612480. Its totient is φ = 473726205696.

The previous prime is 1210212022093. The next prime is 1210212022169. The reversal of 1210212022120 is 212202120121.

It is a happy number.

It is a super-2 number, since 2×12102120221202 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210212022094 and 1210212022103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17010462 + ... + 17081458.

It is an arithmetic number, because the mean of its divisors is an integer number (43457165820).

Almost surely, 21210212022120 is an apocalyptic number.

1210212022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210212022120 is an abundant number, since it is smaller than the sum of its proper divisors (1571046590360).

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

1210212022120 is a wasteful number, since it uses less digits than its factorization.

1210212022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80122 (or 80118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1210212022120 its reverse (212202120121), we get a palindrome (1422414142241).

The spelling of 1210212022120 in words is "one trillion, two hundred ten billion, two hundred twelve million, twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 9067 18134 36268 45335 70997 72536 90670 141994 181340 283988 354985 362680 426149 567976 709970 852298 1419940 1704596 2130745 2839880 3336859 3409192 4261490 6673718 8522980 13347436 16684295 17045960 26694872 33368590 66737180 133474360 643729799 1287459598 2574919196 3218648995 5149838392 6437297990 12874595980 25749191960 30255300553 60510601106 121021202212 151276502765 242042404424 302553005530 605106011060 1210212022120