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20120013212210 = 25191100671046393
BaseRepresentation
bin1001001001100100011100…
…01111011000101000110010
32122020110021022111100220022
410210302032033120220302
510114121241340242320
6110443001221443442
74144423453342562
oct444621617305062
978213238440808
1020120013212210
116457938a2673a
12230b487870582
13b2c403145a82
144d7b57242da2
1524d57b09b325
hex124c8e3d8a32

20120013212210 has 32 divisors (see below), whose sum is σ = 36409287601152. Its totient is φ = 8005066222720.

The previous prime is 20120013212209. The next prime is 20120013212231. The reversal of 20120013212210 is 1221231002102.

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, 18704774 + ... + 19751166.

It is an arithmetic number, because the mean of its divisors is an integer number (1137790237536).

Almost surely, 220120013212210 is an apocalyptic number.

20120013212210 is a deficient number, since it is larger than the sum of its proper divisors (16289274388942).

20120013212210 is a wasteful number, since it uses less digits than its factorization.

20120013212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056658.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20120013212210 its reverse (1221231002102), we get a palindrome (21341244214312).

The spelling of 20120013212210 in words is "twenty trillion, one hundred twenty billion, thirteen million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 191 382 955 1910 10067 20134 50335 100670 1046393 1922797 2092786 3845594 5231965 9613985 10463930 19227970 199861063 399722126 999305315 1998610630 10534038331 21068076662 52670191655 105340383310 2012001321221 4024002642442 10060006606105 20120013212210