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20120212211002 = 2241113123369007
BaseRepresentation
bin1001001001100100110100…
…00110100000010100111010
32122020110210011221112220221
410210302122012200110322
510114122143311223002
6110443033051010254
74144431420660151
oct444623206402472
978213704845827
1020120212211002
116457a30295452
12230b52243998a
13b2c43543c437
144d7b75844598
1524d58d7a8c37
hex124c9a1a053a

20120212211002 has 16 divisors (see below), whose sum is σ = 30305897880192. Its totient is φ = 10018247215680.

The previous prime is 20120212210963. The next prime is 20120212211009. The reversal of 20120212211002 is 20011221202102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20120212211009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54340783 + ... + 54709789.

It is an arithmetic number, because the mean of its divisors is an integer number (1894118617512).

Almost surely, 220120212211002 is an apocalyptic number.

20120212211002 is a deficient number, since it is larger than the sum of its proper divisors (10185685669190).

20120212211002 is a wasteful number, since it uses less digits than its factorization.

20120212211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482373.

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

Adding to 20120212211002 its reverse (20011221202102), we get a palindrome (40131433413104).

The spelling of 20120212211002 in words is "twenty trillion, one hundred twenty billion, two hundred twelve million, two hundred eleven thousand, two".

Divisors: 1 2 241 482 113123 226246 369007 738014 27262643 54525286 88930687 177861374 41743178861 83486357722 10060106105501 20120212211002