12042220011 has 16 divisors (see below), whose sum is σ = 17058825504. Its totient is φ = 7530105344.

The previous prime is 12042219997. The next prime is 12042220013. The reversal of 12042220011 is 11002224021.

It is a cyclic number.

It is not a de Polignac number, because 12042220011 - 2⁶ = 12042219947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12042220013) 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, 387996 + ... + 417881.

It is an arithmetic number, because the mean of its divisors is an integer number (1066176594).

Almost surely, 2^12042220011 is an apocalyptic number.

12042220011 is a deficient number, since it is larger than the sum of its proper divisors (5016605493).

12042220011 is a wasteful number, since it uses less digits than its factorization.

12042220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806190.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12042220011 its reverse (11002224021), we get a palindrome (23044444032).

The spelling of 12042220011 in words is "twelve billion, forty-two million, two hundred twenty thousand, eleven".