1222042512001 has 2 divisors, whose sum is σ = 1222042512002. Its totient is φ = 1222042512000.

The previous prime is 1222042511971. The next prime is 1222042512023. The reversal of 1222042512001 is 1002152402221.

It is an a-pointer prime, because the next prime (1222042512023) can be obtained adding 1222042512001 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1218418592400 + 3623919601 = 1103820^2 + 60199^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222042512001 - 2²⁷ = 1221908294273 is a prime.

It is a super-2 number, since 2×1222042512001² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1222042512071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611021256000 + 611021256001.

It is an arithmetic number, because the mean of its divisors is an integer number (611021256001).

Almost surely, 2^{1222042512001} is an apocalyptic number.

It is an amenable number.

1222042512001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222042512001 is an equidigital number, since it uses as much as digits as its factorization.

1222042512001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 1222042512001 its reverse (1002152402221), we get a palindrome (2224194914222).

The spelling of 1222042512001 in words is "one trillion, two hundred twenty-two billion, forty-two million, five hundred twelve thousand, one".