1212022001123 has 2 divisors, whose sum is σ = 1212022001124. Its totient is φ = 1212022001122.

The previous prime is 1212022001101. The next prime is 1212022001129. The reversal of 1212022001123 is 3211002202121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212022001123 - 2²⁰ = 1212020952547 is a prime.

It is a super-2 number, since 2×1212022001123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212022001129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606011000561 + 606011000562.

It is an arithmetic number, because the mean of its divisors is an integer number (606011000562).

Almost surely, 2^{1212022001123} is an apocalyptic number.

1212022001123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212022001123 is an equidigital number, since it uses as much as digits as its factorization.

1212022001123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1212022001123 its reverse (3211002202121), we get a palindrome (4423024203244).

The spelling of 1212022001123 in words is "one trillion, two hundred twelve billion, twenty-two million, one thousand, one hundred twenty-three".