1212001212241 has 2 divisors, whose sum is σ = 1212001212242. Its totient is φ = 1212001212240.

The previous prime is 1212001212223. The next prime is 1212001212271. The reversal of 1212001212241 is 1422121002121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 655283774016 + 556717438225 = 809496^2 + 746135^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212001212241 - 2¹³ = 1212001204049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212001212271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606000606120 + 606000606121.

It is an arithmetic number, because the mean of its divisors is an integer number (606000606121).

Almost surely, 2^{1212001212241} is an apocalyptic number.

It is an amenable number.

1212001212241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212001212241 is an equidigital number, since it uses as much as digits as its factorization.

1212001212241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1212001212241 its reverse (1422121002121), we get a palindrome (2634122214362).

The spelling of 1212001212241 in words is "one trillion, two hundred twelve billion, one million, two hundred twelve thousand, two hundred forty-one".