12042051 has 16 divisors (see below), whose sum is σ = 18399744. Its totient is φ = 6862464.

The previous prime is 12041999. The next prime is 12042053. The reversal of 12042051 is 15024021.

It is not a de Polignac number, because 12042051 - 2⁷ = 12041923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12042051.

It is not an unprimeable number, because it can be changed into a prime (12042053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11970 + ... + 12936.

It is an arithmetic number, because the mean of its divisors is an integer number (1149984).

Almost surely, 2^12042051 is an apocalyptic number.

12042051 is a deficient number, since it is larger than the sum of its proper divisors (6357693).

12042051 is an equidigital number, since it uses as much as digits as its factorization.

12042051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12042051 is about 3470.1658461808. The cubic root of 12042051 is about 229.2099610691.

Adding to 12042051 its reverse (15024021), we get a palindrome (27066072).

The spelling of 12042051 in words is "twelve million, forty-two thousand, fifty-one".