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12012001011222 = 2319105368429923
BaseRepresentation
bin1010111011001100001100…
…0011011010011000010110
31120112100002000002122021120
42232303003003122120112
53033301034224324342
641314123113224410
72346560403640302
oct256630303323026
946470060078246
1012012001011222
1139112964671a3
12142000aa02106
1369195ab19764
142d75537c0d02
1515c6d67e0aec
hexaecc30da616

12012001011222 has 16 divisors (see below), whose sum is σ = 25288423181760. Its totient is φ = 3793263477192.

The previous prime is 12012001011211. The next prime is 12012001011287. The reversal of 12012001011222 is 22211010021021.

It is a congruent number.

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, 52684214848 + ... + 52684215075.

It is an arithmetic number, because the mean of its divisors is an integer number (1580526448860).

Almost surely, 212012001011222 is an apocalyptic number.

12012001011222 is an abundant number, since it is smaller than the sum of its proper divisors (13276422170538).

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

12012001011222 is a wasteful number, since it uses less digits than its factorization.

12012001011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105368429947.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12012001011222 its reverse (22211010021021), we get a palindrome (34223011032243).

The spelling of 12012001011222 in words is "twelve trillion, twelve billion, one million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 105368429923 210736859846 316105289769 632210579538 2002000168537 4004000337074 6006000505611 12012001011222