12022156011 has 16 divisors (see below), whose sum is σ = 16274926080. Its totient is φ = 7892351040.

The previous prime is 12022155979. The next prime is 12022156031. The reversal of 12022156011 is 11065122021.

It is not a de Polignac number, because 12022156011 - 2⁵ = 12022155979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12022156031) 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, 145071 + ... + 212343.

It is an arithmetic number, because the mean of its divisors is an integer number (1017182880).

Almost surely, 2^12022156011 is an apocalyptic number.

12022156011 is a deficient number, since it is larger than the sum of its proper divisors (4252770069).

12022156011 is an equidigital number, since it uses as much as digits as its factorization.

12022156011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68186.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 12022156011 its reverse (11065122021), we get a palindrome (23087278032).

The spelling of 12022156011 in words is "twelve billion, twenty-two million, one hundred fifty-six thousand, eleven".