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212211001210 = 25132370973579
BaseRepresentation
bin1100010110100011000…
…0101110011101111010
3202021202100102211002111
43011220300232131322
511434102004014320
6241253254122534
721221533514425
oct3055060563572
9667670384074
10212211001210
1181aa863a13a
123516505044a
131701c0c0490
14a3b1b469bc
1557c04c3a5a
hex3168c2e77a

212211001210 has 32 divisors (see below), whose sum is σ = 429248211840. Its totient is φ = 74948098368.

The previous prime is 212211001193. The next prime is 212211001283. The reversal of 212211001210 is 12100112212.

212211001210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 35483800 + ... + 35489779.

It is an arithmetic number, because the mean of its divisors is an integer number (13414006620).

Almost surely, 2212211001210 is an apocalyptic number.

212211001210 is an abundant number, since it is smaller than the sum of its proper divisors (217037210630).

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

212211001210 is a wasteful number, since it uses less digits than its factorization.

212211001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70973622.

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

Adding to 212211001210 its reverse (12100112212), we get a palindrome (224311113422).

The spelling of 212211001210 in words is "two hundred twelve billion, two hundred eleven million, one thousand, two hundred ten".

Divisors: 1 2 5 10 13 23 26 46 65 115 130 230 299 598 1495 2990 70973579 141947158 354867895 709735790 922656527 1632392317 1845313054 3264784634 4613282635 8161961585 9226565270 16323923170 21221100121 42442200242 106105500605 212211001210