1212122021119 has 2 divisors, whose sum is σ = 1212122021120. Its totient is φ = 1212122021118.

The previous prime is 1212122021101. The next prime is 1212122021147. The reversal of 1212122021119 is 9111202212121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212122021119 - 2¹⁷ = 1212121890047 is a prime.

It is a super-2 number, since 2×1212122021119² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212122021093 and 1212122021102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212122021179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606061010559 + 606061010560.

It is an arithmetic number, because the mean of its divisors is an integer number (606061010560).

Almost surely, 2^{1212122021119} is an apocalyptic number.

1212122021119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212122021119 is an equidigital number, since it uses as much as digits as its factorization.

1212122021119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 1212122021119 in words is "one trillion, two hundred twelve billion, one hundred twenty-two million, twenty-one thousand, one hundred nineteen".