12201051 has 8 divisors (see below), whose sum is σ = 16284240. Its totient is φ = 8125952.

The previous prime is 12201043. The next prime is 12201061. The reversal of 12201051 is 15010221.

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 12201051 - 2³ = 12201043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4591 + ... + 6743.

It is an arithmetic number, because the mean of its divisors is an integer number (2035530).

Almost surely, 2^12201051 is an apocalyptic number.

12201051 is a deficient number, since it is larger than the sum of its proper divisors (4083189).

12201051 is a wasteful number, since it uses less digits than its factorization.

12201051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 12201051 is about 3493.0002862868. Note that the first 3 decimals coincide. The cubic root of 12201051 is about 230.2143622171.

Adding to 12201051 its reverse (15010221), we get a palindrome (27211272).

The spelling of 12201051 in words is "twelve million, two hundred one thousand, fifty-one".