Search a number
-
+
10012232212212 = 2232931229938379
BaseRepresentation
bin1001000110110010011110…
…0010110101111011110100
31022110011022200022000110010
42101230213202311323310
52303020022421242322
633143320031500220
72052234306416466
oct221544742657364
938404280260403
1010012232212212
11321018907a10a
121158530387670
135781c3445209
14268847916136
15125693c8220c
hex91b278b5ef4

10012232212212 has 72 divisors (see below), whose sum is σ = 24972201525600. Its totient is φ = 3118381452480.

The previous prime is 10012232212049. The next prime is 10012232212219. The reversal of 10012232212212 is 21221223221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012232212219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14634762 + ... + 15303617.

It is an arithmetic number, because the mean of its divisors is an integer number (346836132300).

Almost surely, 210012232212212 is an apocalyptic number.

10012232212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10012232212212 is an abundant number, since it is smaller than the sum of its proper divisors (14959969313388).

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

10012232212212 is a wasteful number, since it uses less digits than its factorization.

10012232212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29938477 (or 29938444 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10012232212212 its reverse (21221223221001), we get a palindrome (31233455433213).

The spelling of 10012232212212 in words is "ten trillion, twelve billion, two hundred thirty-two million, two hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 29 31 58 62 87 93 116 124 174 186 348 372 899 961 1798 1922 2697 2883 3596 3844 5394 5766 10788 11532 27869 55738 83607 111476 167214 334428 29938379 59876758 89815137 119753516 179630274 359260548 868212991 928089749 1736425982 1856179498 2604638973 2784269247 3472851964 3712358996 5209277946 5568538494 10418555892 11137076988 26914602721 28770782219 53829205442 57541564438 80743808163 86312346657 107658410884 115083128876 161487616326 172624693314 322975232652 345249386628 834352684351 1668705368702 2503058053053 3337410737404 5006116106106 10012232212212