1222312443001 has 16 divisors (see below), whose sum is σ = 1317951129600. Its totient is φ = 1126905288768.

The previous prime is 1222312442927. The next prime is 1222312443029. The reversal of 1222312443001 is 1003442132221.

It is a cyclic number.

It is not a de Polignac number, because 1222312443001 - 2⁹ = 1222312442489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222312443061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37341520 + ... + 37374238.

It is an arithmetic number, because the mean of its divisors is an integer number (82371945600).

Almost surely, 2^{1222312443001} is an apocalyptic number.

It is an amenable number.

1222312443001 is a deficient number, since it is larger than the sum of its proper divisors (95638686599).

1222312443001 is a wasteful number, since it uses less digits than its factorization.

1222312443001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36168.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1222312443001 its reverse (1003442132221), we get a palindrome (2225754575222).

The spelling of 1222312443001 in words is "one trillion, two hundred twenty-two billion, three hundred twelve million, four hundred forty-three thousand, one".