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20010011222012 = 227712141766169
BaseRepresentation
bin1001000110010111100011…
…00111000101111111111100
32121211221100002100021111012
410203023301213011333330
510110321000333101022
6110320250001214352
74133450506013030
oct443136147057774
977757302307435
1020010011222012
11641521a747339
1222b20a83313b8
13b21c22400046
144d26bdaa21c0
1524a78dc0dde2
hex1232f19c5ffc

20010011222012 has 36 divisors (see below), whose sum is σ = 40591623923760. Its totient is φ = 8454934259520.

The previous prime is 20010011221987. The next prime is 20010011222023. The reversal of 20010011222012 is 21022211001002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70741937 + ... + 71024232.

Almost surely, 220010011222012 is an apocalyptic number.

It is an amenable number.

20010011222012 is an abundant number, since it is smaller than the sum of its proper divisors (20581612701748).

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

20010011222012 is a wasteful number, since it uses less digits than its factorization.

20010011222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141766322 (or 141766249 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20010011222012 its reverse (21022211001002), we get a palindrome (41032222223014).

The spelling of 20010011222012 in words is "twenty trillion, ten billion, eleven million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 5041 10082 20164 35287 70574 141148 141766169 283532338 567064676 992363183 1984726366 3969452732 10065397999 20130795998 40261591996 70457785993 140915571986 281831143972 714643257929 1429286515858 2858573031716 5002502805503 10005005611006 20010011222012