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102201211201012 = 227111447229317287
BaseRepresentation
bin10111001111001110010010…
…111000111010010111110100
3111101212100012010112110011221
4113033032102320322113310
5101343431040031413022
61001210331022040124
730345536200503520
oct2717162270722764
9441770163473157
10102201211201012
112a623321385430
12b567342a19044
1345046c0913071
141b347ca58ad80
15bc374c220cc7
hex5cf392e3a5f4

102201211201012 has 48 divisors (see below), whose sum is σ = 223138562992128. Its totient is φ = 39791135466720.

The previous prime is 102201211200961. The next prime is 102201211201031. The reversal of 102201211201012 is 210102112102201.

It is a congruent number.

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, 114212968 + ... + 115104319.

It is an arithmetic number, because the mean of its divisors is an integer number (4648720062336).

Almost surely, 2102201211201012 is an apocalyptic number.

It is an amenable number.

102201211201012 is an abundant number, since it is smaller than the sum of its proper divisors (120937351791116).

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

102201211201012 is a wasteful number, since it uses less digits than its factorization.

102201211201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229318756 (or 229318754 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102201211201012 its reverse (210102112102201), we get a palindrome (312303323303213).

The spelling of 102201211201012 in words is "one hundred two trillion, two hundred one billion, two hundred eleven million, two hundred one thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 1447 2894 5788 10129 15917 20258 31834 40516 63668 111419 222838 445676 229317287 458634574 917269148 1605221009 2522490157 3210442018 5044980314 6420884036 10089960628 17657431099 35314862198 70629724396 331822114289 663644228578 1327288457156 2322754800023 3650043257179 4645509600046 7300086514358 9291019200092 14600173028716 25550302800253 51100605600506 102201211201012