12020409722 has 16 divisors (see below), whose sum is σ = 18404431200. Its totient is φ = 5886357360.

The previous prime is 12020409689. The next prime is 12020409727. The reversal of 12020409722 is 22790402021.

It is not an unprimeable number, because it can be changed into a prime (12020409727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157604 + ... + 221087.

It is an arithmetic number, because the mean of its divisors is an integer number (1150276950).

Almost surely, 2^12020409722 is an apocalyptic number.

12020409722 is a deficient number, since it is larger than the sum of its proper divisors (6384021478).

12020409722 is a wasteful number, since it uses less digits than its factorization.

12020409722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379021.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 12020409722 in words is "twelve billion, twenty million, four hundred nine thousand, seven hundred twenty-two".