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13121212023003 = 3723233116592577
BaseRepresentation
bin1011111011110000010100…
…1011101000000011011011
31201110101010211022021202210
42332330011023220003123
53204434220234214003
643523445050530203
72522655602655510
oct276740513500333
951411124267683
1013121212023003
1141a9747132717
12157ab8b436963
1374242bcb6556
143350da30b307
1517b4a5c50503
hexbef052e80db

13121212023003 has 32 divisors (see below), whose sum is σ = 20953085377536. Its totient is φ = 7141062094848.

The previous prime is 13121212022981. The next prime is 13121212023019. The reversal of 13121212023003 is 30032021212131.

It is not a de Polignac number, because 13121212023003 - 238 = 12846334116059 is a prime.

It is a super-2 number, since 2×131212120230032 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13121212013003) 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, 58183750 + ... + 58408827.

It is an arithmetic number, because the mean of its divisors is an integer number (654783918048).

Almost surely, 213121212023003 is an apocalyptic number.

13121212023003 is a deficient number, since it is larger than the sum of its proper divisors (7831873354533).

13121212023003 is a wasteful number, since it uses less digits than its factorization.

13121212023003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116592843.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13121212023003 its reverse (30032021212131), we get a palindrome (43153233235134).

The spelling of 13121212023003 in words is "thirteen trillion, one hundred twenty-one billion, two hundred twelve million, twenty-three thousand, three".

Divisors: 1 3 7 21 23 69 161 233 483 699 1631 4893 5359 16077 37513 112539 116592577 349777731 816148039 2448444117 2681629271 8044887813 18771404897 27166070441 56314214691 81498211323 190162493087 570487479261 624819620143 1874458860429 4373737341001 13121212023003