12151011 has 8 divisors (see below), whose sum is σ = 16429824. Its totient is φ = 7986440.

The previous prime is 12150989. The next prime is 12151019. The reversal of 12151011 is 11015121.

12151011 is nontrivially palindromic in base 13.

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 12151011 - 2⁶ = 12150947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12151019) 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, 28311 + ... + 28736.

It is an arithmetic number, because the mean of its divisors is an integer number (2053728).

Almost surely, 2^12151011 is an apocalyptic number.

12151011 is a deficient number, since it is larger than the sum of its proper divisors (4278813).

12151011 is an equidigital number, since it uses as much as digits as its factorization.

12151011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57121.

The product of its (nonzero) digits is 10, while the sum is 12.

The square root of 12151011 is about 3485.8300302797. The cubic root of 12151011 is about 229.8992059925.

Adding to 12151011 its reverse (11015121), we get a palindrome (23166132).

The spelling of 12151011 in words is "twelve million, one hundred fifty-one thousand, eleven".