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1210020220212 = 223195307106229
BaseRepresentation
bin10001100110111010110…
…100110100110100110100
311021200021101112001000120
4101212322310310310310
5124311110134021322
62323513044411540
7153264300112026
oct21467264646464
94250241461016
101210020220212
11427191961921
121766153a6bb0
138a1485348ab
14427cb232016
152171e73ea5c
hex119bad34d34

1210020220212 has 24 divisors (see below), whose sum is σ = 2971979488800. Its totient is φ = 382111648416.

The previous prime is 1210020220109. The next prime is 1210020220291. The reversal of 1210020220212 is 2120220200121.

It is a junction number, because it is equal to n+sod(n) for n = 1210020220191 and 1210020220200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2653552887 + ... + 2653553342.

It is an arithmetic number, because the mean of its divisors is an integer number (123832478700).

Almost surely, 21210020220212 is an apocalyptic number.

1210020220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210020220212 is an abundant number, since it is smaller than the sum of its proper divisors (1761959268588).

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

1210020220212 is a wasteful number, since it uses less digits than its factorization.

1210020220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307106255 (or 5307106253 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1210020220212 its reverse (2120220200121), we get a palindrome (3330240420333).

The spelling of 1210020220212 in words is "one trillion, two hundred ten billion, twenty million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 5307106229 10614212458 15921318687 21228424916 31842637374 63685274748 100835018351 201670036702 302505055053 403340073404 605010110106 1210020220212