12221301010031 has 8 divisors (see below), whose sum is σ = 12884914915200. Its totient is φ = 11559725858520.

The previous prime is 12221301010013. The next prime is 12221301010033. The reversal of 12221301010031 is 13001010312221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221301010031 is a prime.

It is a super-2 number, since 2×12221301010031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221301009991 and 12221301010009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221301010033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509676101 + ... + 509700078.

It is an arithmetic number, because the mean of its divisors is an integer number (1610614364400).

Almost surely, 2^{12221301010031} is an apocalyptic number.

12221301010031 is a deficient number, since it is larger than the sum of its proper divisors (663613905169).

12221301010031 is a wasteful number, since it uses less digits than its factorization.

12221301010031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019376829.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12221301010031 its reverse (13001010312221), we get a palindrome (25222311322252).

The spelling of 12221301010031 in words is "twelve trillion, two hundred twenty-one billion, three hundred one million, ten thousand, thirty-one".