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112210212112012 = 227173154391500407
BaseRepresentation
bin11001100000110111111001…
…110101010100011010001100
3112201022012011121120100200101
4121200313321311110122030
5104201423003300041022
61034352354303540444
732430630442505140
oct3140677165243214
9481265147510611
10112210212112012
11328320a1472073
1210703110bba724
134a7c4ba77a411
141d9d008c8b220
15ce8ca2470627
hex660df9d5468c

112210212112012 has 48 divisors (see below), whose sum is σ = 225732422522880. Its totient is φ = 47808984796992.

The previous prime is 112210212112003. The next prime is 112210212112013. The reversal of 112210212112012 is 210211212012211.

It is a happy number.

It is a super-2 number, since 2×1122102121120122 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112210212112013) 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, 74036313 + ... + 75536719.

It is an arithmetic number, because the mean of its divisors is an integer number (4702758802560).

Almost surely, 2112210212112012 is an apocalyptic number.

It is an amenable number.

112210212112012 is an abundant number, since it is smaller than the sum of its proper divisors (113522210410868).

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

112210212112012 is a wasteful number, since it uses less digits than its factorization.

112210212112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516030 (or 1516028 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112210212112012 its reverse (210211212012211), we get a palindrome (322421424124223).

The spelling of 112210212112012 in words is "one hundred twelve trillion, two hundred ten billion, two hundred twelve million, one hundred twelve thousand, twelve".

Divisors: 1 2 4 7 14 28 173 346 692 1211 2422 4844 15439 30878 61756 108073 216146 432292 1500407 2670947 3000814 5341894 6001628 10502849 10683788 18696629 21005698 37393258 42011396 74786516 259570411 519140822 1038281644 1816992877 3633985754 7267971508 23164783673 46329567346 92659134692 162153485711 324306971422 648613942844 4007507575429 8015015150858 16030030301716 28052553028003 56105106056006 112210212112012