121232221312229 has 2 divisors, whose sum is σ = 121232221312230. Its totient is φ = 121232221312228.

The previous prime is 121232221312171. The next prime is 121232221312247. The reversal of 121232221312229 is 922213122232121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102371354044129 + 18860867268100 = 10117873^2 + 4342910^2 .

It is a cyclic number.

It is not a de Polignac number, because 121232221312229 - 2⁸ = 121232221311973 is a prime.

It is a super-3 number, since 3×121232221312229³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121232221315229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616110656114 + 60616110656115.

It is an arithmetic number, because the mean of its divisors is an integer number (60616110656115).

Almost surely, 2^{121232221312229} is an apocalyptic number.

It is an amenable number.

121232221312229 is a deficient number, since it is larger than the sum of its proper divisors (1).

121232221312229 is an equidigital number, since it uses as much as digits as its factorization.

121232221312229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The spelling of 121232221312229 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, two hundred twenty-one million, three hundred twelve thousand, two hundred twenty-nine".