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12101020012210 = 2519922619268841
BaseRepresentation
bin1011000000010111110011…
…1111111100111010110010
31120211211211220001102202011
42300011330333330322302
53041230342110342320
641423044251313134
72356161361651363
oct260057477747262
946754756042664
1012101020012210
1139460173621a8
12143531314b7aa
1369a17662533c
142db99a2b9b6a
1515eb9699105a
hexb017cffceb2

12101020012210 has 32 divisors (see below), whose sum is σ = 21892341744000. Its totient is φ = 4815853511040.

The previous prime is 12101020012157. The next prime is 12101020012219. The reversal of 12101020012210 is 1221002010121.

It is not an unprimeable number, because it can be changed into a prime (12101020012219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44877390 + ... + 45146230.

It is an arithmetic number, because the mean of its divisors is an integer number (684135679500).

Almost surely, 212101020012210 is an apocalyptic number.

12101020012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101020012210 is a deficient number, since it is larger than the sum of its proper divisors (9791321731790).

12101020012210 is a wasteful number, since it uses less digits than its factorization.

12101020012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291666.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12101020012210 its reverse (1221002010121), we get a palindrome (13322022022331).

The spelling of 12101020012210 in words is "twelve trillion, one hundred one billion, twenty million, twelve thousand, two hundred ten".

Divisors: 1 2 5 10 199 398 995 1990 22619 45238 113095 226190 268841 537682 1344205 2688410 4501181 9002362 22505905 45011810 53499359 106998718 267496795 534993590 6080914579 12161829158 30404572895 60809145790 1210102001221 2420204002442 6050510006105 12101020012210