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1012201212201 = 316719319104579
BaseRepresentation
bin11101011101010111110…
…01001100100100101001
310120202200001011020002020
432232223321030210221
5113040442002242301
62052555424455053
7133062201226164
oct16565371144451
93522601136066
101012201212201
113602aa218243
1214420817a489
13745b102032a
1436dc2a80adb
151b4e29d0436
hexebabe4c929

1012201212201 has 16 divisors (see below), whose sum is σ = 1357766323200. Its totient is φ = 670718950928.

The previous prime is 1012201212199. The next prime is 1012201212221. The reversal of 1012201212201 is 1022121022101.

It is a cyclic number.

It is not a de Polignac number, because 1012201212201 - 21 = 1012201212199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012201212221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9626530 + ... + 9731108.

It is an arithmetic number, because the mean of its divisors is an integer number (84860395200).

Almost surely, 21012201212201 is an apocalyptic number.

It is an amenable number.

1012201212201 is a deficient number, since it is larger than the sum of its proper divisors (345565110999).

1012201212201 is a wasteful number, since it uses less digits than its factorization.

1012201212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124068.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012201212201 its reverse (1022121022101), we get a palindrome (2034322234302).

The spelling of 1012201212201 in words is "one trillion, twelve billion, two hundred one million, two hundred twelve thousand, two hundred one".

Divisors: 1 3 167 501 19319 57957 104579 313737 3226273 9678819 17464693 52394079 2020361701 6061085103 337400404067 1012201212201