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1312101221102 = 27315936178263
BaseRepresentation
bin10011000101111111010…
…100111100001011101110
311122102202120221011211022
4103011333110330023232
5132444140403033402
62442434310454142
7163540043234360
oct23057724741356
94572676834738
101312101221102
11466505a29771
12192364064352
139696620c4b9
14477127d4d30
15241e64dc2a2
hex1317f53c2ee

1312101221102 has 64 divisors (see below), whose sum is σ = 2329841885184. Its totient is φ = 542325611520.

The previous prime is 1312101221083. The next prime is 1312101221131. The reversal of 1312101221102 is 2011221012131.

It is a happy number.

It is a super-2 number, since 2×13121012211022 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158788223 + ... + 158796485.

It is an arithmetic number, because the mean of its divisors is an integer number (36403779456).

Almost surely, 21312101221102 is an apocalyptic number.

1312101221102 is a deficient number, since it is larger than the sum of its proper divisors (1017740664082).

1312101221102 is a wasteful number, since it uses less digits than its factorization.

1312101221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9513.

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

Adding to 1312101221102 its reverse (2011221012131), we get a palindrome (3323322233233).

The spelling of 1312101221102 in words is "one trillion, three hundred twelve billion, one hundred one million, two hundred twenty-one thousand, one hundred two".

Divisors: 1 2 7 14 31 62 217 434 593 617 1186 1234 4151 4319 8263 8302 8638 16526 18383 19127 36766 38254 57841 115682 128681 133889 256153 257362 267778 365881 512306 731762 1793071 2561167 3586142 4899959 5098271 5122334 9799918 10196542 11342311 22684622 34299713 35687897 68599426 71375794 79396177 151898729 158046401 158792354 303797458 316092802 1063291103 1106324807 2126582206 2212649614 3023274703 6046549406 21162922921 42325845842 93721515793 187443031586 656050610551 1312101221102