1202000212123 has 2 divisors, whose sum is σ = 1202000212124. Its totient is φ = 1202000212122.

The previous prime is 1202000212117. The next prime is 1202000212243. The reversal of 1202000212123 is 3212120002021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202000212123 - 2¹³ = 1202000203931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202000212097 and 1202000212106.

It is not a weakly prime, because it can be changed into another prime (1202060212123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601000106061 + 601000106062.

It is an arithmetic number, because the mean of its divisors is an integer number (601000106062).

Almost surely, 2^{1202000212123} is an apocalyptic number.

1202000212123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202000212123 is an equidigital number, since it uses as much as digits as its factorization.

1202000212123 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 16.

Adding to 1202000212123 its reverse (3212120002021), we get a palindrome (4414120214144).

The spelling of 1202000212123 in words is "one trillion, two hundred two billion, two hundred twelve thousand, one hundred twenty-three".