12221023331434 has 32 divisors (see below), whose sum is σ = 19341571392000. Its totient is φ = 5775346344384.

The previous prime is 12221023331401. The next prime is 12221023331459. The reversal of 12221023331434 is 43413332012221.

It is a super-2 number, since 2×12221023331434² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12221023331396 and 12221023331405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72960972 + ... + 73128280.

It is an arithmetic number, because the mean of its divisors is an integer number (604424106000).

Almost surely, 2^{12221023331434} is an apocalyptic number.

12221023331434 is a deficient number, since it is larger than the sum of its proper divisors (7120548060566).

12221023331434 is a wasteful number, since it uses less digits than its factorization.

12221023331434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171822.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 12221023331434 its reverse (43413332012221), we get a palindrome (55634355343655).

The spelling of 12221023331434 in words is "twelve trillion, two hundred twenty-one billion, twenty-three million, three hundred thirty-one thousand, four hundred thirty-four".