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12101020210210 = 251210102021021
BaseRepresentation
bin1011000000010111110100…
…0000101101010000100010
31120211211211220102111100111
42300011331000231100202
53041230342133211320
641423044255441534
72356161363434551
oct260057500552042
946754756374314
1012101020210210
113946017487a38
1214353132262aa
1369a1766944b9
142db99a32bd98
1515eb969cea5a
hexb017d02d422

12101020210210 has 8 divisors (see below), whose sum is σ = 21781836378396. Its totient is φ = 4840408084080.

The previous prime is 12101020210171. The next prime is 12101020210231. The reversal of 12101020210210 is 1201202010121.

It can be written as a sum of positive squares in 2 ways, for example, as 11979621623281 + 121398586929 = 3461159^2 + 348423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605051010501 + ... + 605051010520.

Almost surely, 212101020210210 is an apocalyptic number.

12101020210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101020210210 is a deficient number, since it is larger than the sum of its proper divisors (9680816168186).

12101020210210 is a wasteful number, since it uses less digits than its factorization.

12101020210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210102021028.

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

Adding to 12101020210210 its reverse (1201202010121), we get a palindrome (13302222220331).

The spelling of 12101020210210 in words is "twelve trillion, one hundred one billion, twenty million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 5 10 1210102021021 2420204042042 6050510105105 12101020210210