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12200051 = 234991063
BaseRepresentation
bin101110100010…
…100001110011
3211221211022202
4232202201303
511110400201
61113253415
7205461443
oct56424163
924854282
1012200051
116983096
12410426b
1326b2086
141898123
15110ec6b
hexba2873

12200051 has 8 divisors (see below), whose sum is σ = 12768000. Its totient is φ = 11635272.

The previous prime is 12200029. The next prime is 12200053. The reversal of 12200051 is 15000221.

12200051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12200051 - 214 = 12183667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10946 + ... + 12008.

It is an arithmetic number, because the mean of its divisors is an integer number (1596000).

Almost surely, 212200051 is an apocalyptic number.

12200051 is a deficient number, since it is larger than the sum of its proper divisors (567949).

12200051 is a wasteful number, since it uses less digits than its factorization.

12200051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 12200051 is about 3492.8571399357. The cubic root of 12200051 is about 230.2080725772.

Adding to 12200051 its reverse (15000221), we get a palindrome (27200272).

The spelling of 12200051 in words is "twelve million, two hundred thousand, fifty-one".

Divisors: 1 23 499 1063 11477 24449 530437 12200051