12210151 has 4 divisors (see below), whose sum is σ = 12494152. Its totient is φ = 11926152.

The previous prime is 12210137. The next prime is 12210173. The reversal of 12210151 is 15101221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12210151 - 2⁵ = 12210119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210101) 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, 141936 + ... + 142021.

It is an arithmetic number, because the mean of its divisors is an integer number (3123538).

Almost surely, 2^12210151 is an apocalyptic number.

12210151 is a deficient number, since it is larger than the sum of its proper divisors (284001).

12210151 is an equidigital number, since it uses as much as digits as its factorization.

12210151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284000.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 12210151 is about 3494.3026485981. The cubic root of 12210151 is about 230.2715821533.

Adding to 12210151 its reverse (15101221), we get a palindrome (27311372).

The spelling of 12210151 in words is "twelve million, two hundred ten thousand, one hundred fifty-one".