Search a number
-
+
120021110211212 = 22728115254335309
BaseRepresentation
bin11011010010100010010111…
…101000111100001010001100
3120201221220110112100212122222
4123102202113220330022030
5111212411213203224322
61103132534205554512
734165144666053350
oct3322422750741214
9521856415325588
10120021110211212
1135273737852361
1211564a8ab75a38
1351c7c32b1c002
14218d0a4991460
15dd2057ac2e42
hex6d2897a3c28c

120021110211212 has 24 divisors (see below), whose sum is σ = 240896463215520. Its totient is φ = 51254566634880.

The previous prime is 120021110211193. The next prime is 120021110211239. The reversal of 120021110211212 is 212112011120021.

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, 7627159787 + ... + 7627175522.

It is an arithmetic number, because the mean of its divisors is an integer number (10037352633980).

Almost surely, 2120021110211212 is an apocalyptic number.

It is an amenable number.

120021110211212 is an abundant number, since it is smaller than the sum of its proper divisors (120875353004308).

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

120021110211212 is a wasteful number, since it uses less digits than its factorization.

120021110211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15254335601 (or 15254335599 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120021110211212 its reverse (212112011120021), we get a palindrome (332133121331233).

The spelling of 120021110211212 in words is "one hundred twenty trillion, twenty-one billion, one hundred ten million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 281 562 1124 1967 3934 7868 15254335309 30508670618 61017341236 106780347163 213560694326 427121388652 4286468221829 8572936443658 17145872887316 30005277552803 60010555105606 120021110211212