12022211012 has 24 divisors (see below), whose sum is σ = 25309919040. Its totient is φ = 4881198240.

The previous prime is 12022210979. The next prime is 12022211023. The reversal of 12022211012 is 21011222021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11298539 + ... + 11299602.

It is an arithmetic number, because the mean of its divisors is an integer number (1054579960).

Almost surely, 2^12022211012 is an apocalyptic number.

It is an amenable number.

12022211012 is an abundant number, since it is smaller than the sum of its proper divisors (13287708028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12022211012 is a wasteful number, since it uses less digits than its factorization.

12022211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22598171 (or 22598169 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12022211012 its reverse (21011222021), we get a palindrome (33033433033).

The spelling of 12022211012 in words is "twelve billion, twenty-two million, two hundred eleven thousand, twelve".