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12101221110202 = 2719343110391221
BaseRepresentation
bin1011000000011000100011…
…1111000101000110111010
31120211212100220110021022221
42300012020333011012322
53041231300101011302
641423120233434254
72356166353161040
oct260061077050672
946755326407287
1012101221110202
11394610a925094
12143536a56b98a
1369a1a91a5333
142db9b8ca6390
1515eba9465937
hexb0188fc51ba

12101221110202 has 32 divisors (see below), whose sum is σ = 20900820801024. Its totient is φ = 5147394739200.

The previous prime is 12101221110197. The next prime is 12101221110241. The reversal of 12101221110202 is 20201112210121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4031049 + ... + 6360172.

It is an arithmetic number, because the mean of its divisors is an integer number (653150650032).

Almost surely, 212101221110202 is an apocalyptic number.

12101221110202 is a deficient number, since it is larger than the sum of its proper divisors (8799599690822).

12101221110202 is a wasteful number, since it uses less digits than its factorization.

12101221110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10391854.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12101221110202 its reverse (20201112210121), we get a palindrome (32302333320323).

The spelling of 12101221110202 in words is "twelve trillion, one hundred one billion, two hundred twenty-one million, one hundred ten thousand, two hundred two".

Divisors: 1 2 7 14 193 386 431 862 1351 2702 3017 6034 83183 166366 582281 1164562 10391221 20782442 72738547 145477094 2005505653 4011011306 4478616251 8957232502 14038539571 28077079142 31350313757 62700627514 864372936443 1728745872886 6050610555101 12101221110202