121200212219 has 2 divisors, whose sum is σ = 121200212220. Its totient is φ = 121200212218.

The previous prime is 121200212117. The next prime is 121200212249. The reversal of 121200212219 is 912212002121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121200212219 is a prime.

It is a super-2 number, since 2×121200212219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121200212194 and 121200212203.

It is not a weakly prime, because it can be changed into another prime (121200212249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600106109 + 60600106110.

It is an arithmetic number, because the mean of its divisors is an integer number (60600106110).

Almost surely, 2^121200212219 is an apocalyptic number.

121200212219 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200212219 is an equidigital number, since it uses as much as digits as its factorization.

121200212219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

It can be divided in two parts, 1212002 and 12219, that added together give a palindrome (1224221).

The spelling of 121200212219 in words is "one hundred twenty-one billion, two hundred million, two hundred twelve thousand, two hundred nineteen".