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210120012020212 = 2277313715119924971
BaseRepresentation
bin101111110001101001100000…
…101011010011100111110100
31000112222021110220122121112021
4233301221200223103213310
5210020101241034121322
62022515445000402524
762154445530216640
oct5761514053234764
91015867426577467
10210120012020212
1160a5043aa71448
121b6967baa76444
139032302c4c9c8
1439c5c11907c20
151945a8505e4c7
hexbf1a60ad39f4

210120012020212 has 192 divisors, whose sum is σ = 434135942553600. Its totient is φ = 87142023936000.

The previous prime is 210120012020209. The next prime is 210120012020239. The reversal of 210120012020212 is 212020210021012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8414548887 + ... + 8414573857.

It is an arithmetic number, because the mean of its divisors is an integer number (2261124700800).

Almost surely, 2210120012020212 is an apocalyptic number.

It is an amenable number.

210120012020212 is an abundant number, since it is smaller than the sum of its proper divisors (224015930533388).

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

210120012020212 is a wasteful number, since it uses less digits than its factorization.

210120012020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25542 (or 25540 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210120012020212 its reverse (212020210021012), we get a palindrome (422140222041224).

The spelling of 210120012020212 in words is "two hundred ten trillion, one hundred twenty billion, twelve million, twenty thousand, two hundred twelve".