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12031213110222 = 2310358765350789
BaseRepresentation
bin1010111100010011110000…
…1011110000001111001110
31120121011122221001101112210
42233010330023300033032
53034104411024011342
641331021335211250
72351140451041605
oct257047413601716
946534587041483
1012031213110222
113919455169569
121423890b16b26
136937001b9587
142d84571aaa3c
1515ce5d2c479c
hexaf13c2f03ce

12031213110222 has 64 divisors (see below), whose sum is σ = 24375182307840. Its totient is φ = 3958553238144.

The previous prime is 12031213110187. The next prime is 12031213110223. The reversal of 12031213110222 is 22201131213021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031213110223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236860804 + ... + 236911592.

It is an arithmetic number, because the mean of its divisors is an integer number (380862223560).

Almost surely, 212031213110222 is an apocalyptic number.

12031213110222 is an abundant number, since it is smaller than the sum of its proper divisors (12343969197618).

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

12031213110222 is a wasteful number, since it uses less digits than its factorization.

12031213110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52137.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12031213110222 its reverse (22201131213021), we get a palindrome (34232344323243).

The spelling of 12031213110222 in words is "twelve trillion, thirty-one billion, two hundred thirteen million, one hundred ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 103 206 309 587 618 653 1174 1306 1761 1959 3522 3918 50789 60461 67259 101578 120922 134518 152367 181383 201777 304734 362766 383311 403554 766622 1149933 2299866 5231267 10462534 15693801 29813143 31387602 33165217 39481033 59626286 66330434 78962066 89439429 99495651 118443099 178878858 198991302 236886198 3070753729 3416017351 6141507458 6832034702 9212261187 10248052053 18424522374 19467982379 20496104106 38935964758 58403947137 116807894274 2005202185037 4010404370074 6015606555111 12031213110222