1222312031001 has 32 divisors (see below), whose sum is σ = 1855124275200. Its totient is φ = 794946130560.

The previous prime is 1222312030937. The next prime is 1222312031011. The reversal of 1222312031001 is 1001302132221.

1222312031001 is a `hidden beast` number, since 12 + 223 + 120 + 310 + 0 + 1 = 666.

It is not a de Polignac number, because 1222312031001 - 2⁶ = 1222312030937 is a prime.

It is a super-2 number, since 2×1222312031001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222312031011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22643295 + ... + 22697211.

It is an arithmetic number, because the mean of its divisors is an integer number (57972633600).

Almost surely, 2^{1222312031001} is an apocalyptic number.

It is an amenable number.

1222312031001 is a deficient number, since it is larger than the sum of its proper divisors (632812244199).

1222312031001 is a wasteful number, since it uses less digits than its factorization.

1222312031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74446 (or 74440 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1222312031001 its reverse (1001302132221), we get a palindrome (2223614163222).

The spelling of 1222312031001 in words is "one trillion, two hundred twenty-two billion, three hundred twelve million, thirty-one thousand, one".