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210012130111120 = 2454361050037823
BaseRepresentation
bin101111110000000101000010…
…011010011110111010010000
31000112120222000102210210122121
4233300011002122132322100
5210011314320302023440
62022354123552544024
762143606235141431
oct5760050232367220
91015528012723577
10210012130111120
1160a0970a496397
121b679911552014
13902509c50613c
1439c08d9b5d488
151942d6dda434a
hexbf014269ee90

210012130111120 has 40 divisors (see below), whose sum is σ = 499633509551616. Its totient is φ = 82051250832768.

The previous prime is 210012130111079. The next prime is 210012130111187. The reversal of 210012130111120 is 21111031210012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 210012130111094 and 210012130111103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30525015472 + ... + 30525022351.

Almost surely, 2210012130111120 is an apocalyptic number.

210012130111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210012130111120 is an abundant number, since it is smaller than the sum of its proper divisors (289621379440496).

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

210012130111120 is a wasteful number, since it uses less digits than its factorization.

210012130111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61050037879 (or 61050037873 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 210012130111120 its reverse (21111031210012), we get a palindrome (231123161321132).

The spelling of 210012130111120 in words is "two hundred ten trillion, twelve billion, one hundred thirty million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 61050037823 122100075646 244200151292 305250189115 488400302584 610500378230 976800605168 1221000756460 2442001512920 2625151626389 4884003025840 5250303252778 10500606505556 13125758131945 21001213011112 26251516263890 42002426022224 52503032527780 105006065055560 210012130111120