12222021011012 has 6 divisors (see below), whose sum is σ = 21388536769278. Its totient is φ = 6111010505504.

The previous prime is 12222021010973. The next prime is 12222021011027. The reversal of 12222021011012 is 21011012022221.

It can be written as a sum of positive squares in only one way, i.e., 10735216343296 + 1486804667716 = 3276464^2 + 1219346^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1527752626373 + ... + 1527752626380.

It is an arithmetic number, because the mean of its divisors is an integer number (3564756128213).

Almost surely, 2^{12222021011012} is an apocalyptic number.

It is an amenable number.

12222021011012 is a deficient number, since it is larger than the sum of its proper divisors (9166515758266).

12222021011012 is a wasteful number, since it uses less digits than its factorization.

12222021011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055505252757 (or 3055505252755 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12222021011012 its reverse (21011012022221), we get a palindrome (33233033033233).

The spelling of 12222021011012 in words is "twelve trillion, two hundred twenty-two billion, twenty-one million, eleven thousand, twelve".