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1201011012201 = 371113399937067
BaseRepresentation
bin10001011110100001110…
…101011011001001101001
311020211000112002211222210
4101132201311123021221
5124134132304342301
62315423054035333
7152525113110330
oct21364165331151
94224015084883
101201011012201
11423389451570
121749201a8b49
1389340bac390
14421b4900d17
1521393844ad6
hex117a1d5b269

1201011012201 has 32 divisors (see below), whose sum is σ = 2150061677568. Its totient is φ = 575909375040.

The previous prime is 1201011012163. The next prime is 1201011012203. The reversal of 1201011012201 is 1022101101021.

It is not a de Polignac number, because 1201011012201 - 213 = 1201011004009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201011012203) 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, 199965531 + ... + 199971536.

It is an arithmetic number, because the mean of its divisors is an integer number (67189427424).

Almost surely, 21201011012201 is an apocalyptic number.

1201011012201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201011012201 is a deficient number, since it is larger than the sum of its proper divisors (949050665367).

1201011012201 is a wasteful number, since it uses less digits than its factorization.

1201011012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399937101.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1201011012201 its reverse (1022101101021), we get a palindrome (2223112113222).

The spelling of 1201011012201 in words is "one trillion, two hundred one billion, eleven million, twelve thousand, two hundred one".

Divisors: 1 3 7 11 13 21 33 39 77 91 143 231 273 429 1001 3003 399937067 1199811201 2799559469 4399307737 5199181871 8398678407 13197923211 15597545613 30795154159 36394273097 57191000581 92385462477 109182819291 171573001743 400337004067 1201011012201