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1213001011124 = 2272467117111317
BaseRepresentation
bin10001101001101100011…
…111101000111110110100
311021221222010101220102222
4101221230133220332310
5124333211224323444
62325124525221512
7153431203321400
oct21515437507664
94257863356388
101213001011124
114284814a2191
12177107701898
138a501c519b6
14429d1078100
152184628beee
hex11a6c7e8fb4

1213001011124 has 72 divisors (see below), whose sum is σ = 2476943213472. Its totient is φ = 518255599680.

The previous prime is 1213001011051. The next prime is 1213001011151. The reversal of 1213001011124 is 4211101003121.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 107178314 + ... + 107189630.

It is an arithmetic number, because the mean of its divisors is an integer number (34401989076).

Almost surely, 21213001011124 is an apocalyptic number.

1213001011124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1213001011124 is an abundant number, since it is smaller than the sum of its proper divisors (1263942202348).

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

1213001011124 is a wasteful number, since it uses less digits than its factorization.

1213001011124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12973 (or 12964 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1213001011124 its reverse (4211101003121), we get a palindrome (5424102014245).

The spelling of 1213001011124 in words is "one trillion, two hundred thirteen billion, one million, eleven thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 98 196 467 934 1171 1868 2342 3269 4684 6538 8197 11317 13076 16394 22634 22883 32788 45268 45766 57379 79219 91532 114758 158438 229516 316876 546857 554533 1093714 1109066 2187428 2218132 3827999 5285039 7655998 10570078 13252207 15311996 21140156 26504414 26795993 36995273 53008828 53591986 73990546 92765449 107183972 147981092 185530898 258966911 371061796 517933822 649358143 1035867644 1298716286 2597432572 6188780669 12377561338 24755122676 43321464683 86642929366 173285858732 303250252781 606500505562 1213001011124