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1201012112201 = 11109182919291
BaseRepresentation
bin10001011110100001111…
…001100111101101001001
311020211000121011201220112
4101132201321213231021
5124134133100042301
62315423133404105
7152525125341326
oct21364171475511
94224017151815
101201012112201
1142338a032a60
12174920639635
13893411a5c75
14421b4b09b4d
15213939b09bb
hex117a1e67b49

1201012112201 has 4 divisors (see below), whose sum is σ = 1310195031504. Its totient is φ = 1091829192900.

The previous prime is 1201012112189. The next prime is 1201012112347. The reversal of 1201012112201 is 1022112101021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201012112201 - 222 = 1201007917897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1201012112501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54591459635 + ... + 54591459656.

It is an arithmetic number, because the mean of its divisors is an integer number (327548757876).

Almost surely, 21201012112201 is an apocalyptic number.

1201012112201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201012112201 is a deficient number, since it is larger than the sum of its proper divisors (109182919303).

1201012112201 is a wasteful number, since it uses less digits than its factorization.

1201012112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109182919302.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201012112201 its reverse (1022112101021), we get a palindrome (2223124213222).

The spelling of 1201012112201 in words is "one trillion, two hundred one billion, twelve million, one hundred twelve thousand, two hundred one".

Divisors: 1 11 109182919291 1201012112201