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12202012011111 = 3133113773668967
BaseRepresentation
bin1011000110010000000010…
…0101110110101001100111
31121012111112012022112122220
42301210000211312221213
53044404210033323421
641541305452323423
72366365142535066
oct261440045665147
947174465275586
1012202012011111
1139849317467aa
1214509b9173573
136a684c800180
1430281ada41dd
15162607d2b3c6
hexb1900976a67

12202012011111 has 32 divisors (see below), whose sum is σ = 18218041110528. Its totient is φ = 7213665150720.

The previous prime is 12202012011061. The next prime is 12202012011113. The reversal of 12202012011111 is 11111021020221.

It is a happy number.

It is not a de Polignac number, because 12202012011111 - 27 = 12202012010983 is a prime.

It is a super-2 number, since 2×122020120111112 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202012011113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36668851 + ... + 37000116.

It is an arithmetic number, because the mean of its divisors is an integer number (569313784704).

Almost surely, 212202012011111 is an apocalyptic number.

12202012011111 is a deficient number, since it is larger than the sum of its proper divisors (6016029099417).

12202012011111 is a wasteful number, since it uses less digits than its factorization.

12202012011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73669151.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12202012011111 its reverse (11111021020221), we get a palindrome (23313033031332).

The spelling of 12202012011111 in words is "twelve trillion, two hundred two billion, twelve million, eleven thousand, one hundred eleven".

Divisors: 1 3 13 31 39 93 137 403 411 1209 1781 4247 5343 12741 55211 165633 73668967 221006901 957696571 2283737977 2873089713 6851213931 10092648479 29688593701 30277945437 89065781103 131204430227 312872102849 393613290681 938616308547 4067337337037 12202012011111