1202120002103 has 2 divisors, whose sum is σ = 1202120002104. Its totient is φ = 1202120002102.

The previous prime is 1202120002063. The next prime is 1202120002229. The reversal of 1202120002103 is 3012000212021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202120002103 - 2⁸ = 1202120001847 is a prime.

It is a super-2 number, since 2×1202120002103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202120002703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601060001051 + 601060001052.

It is an arithmetic number, because the mean of its divisors is an integer number (601060001052).

Almost surely, 2^{1202120002103} is an apocalyptic number.

1202120002103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202120002103 is an equidigital number, since it uses as much as digits as its factorization.

1202120002103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1202120002103 its reverse (3012000212021), we get a palindrome (4214120214124).

The spelling of 1202120002103 in words is "one trillion, two hundred two billion, one hundred twenty million, two thousand, one hundred three".