1202103102402 has 40 divisors (see below), whose sum is σ = 2695882605372. Its totient is φ = 400361680800.

The previous prime is 1202103102353. The next prime is 1202103102407. The reversal of 1202103102402 is 2042013012021.

It is a happy number.

1202103102402 is a `hidden beast` number, since 1 + 20 + 210 + 31 + 0 + 2 + 402 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1185117454161 + 16985648241 = 1088631^2 + 130329^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1202103102407) 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 in 19 ways as a sum of consecutive naturals, for example, 2950249 + ... + 3332892.

Almost surely, 2^{1202103102402} is an apocalyptic number.

1202103102402 is an abundant number, since it is smaller than the sum of its proper divisors (1493779502970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202103102402 is a wasteful number, since it uses less digits than its factorization.

1202103102402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6284336 (or 6284327 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1202103102402 its reverse (2042013012021), we get a palindrome (3244116114423).

The spelling of 1202103102402 in words is "one trillion, two hundred two billion, one hundred three million, one hundred two thousand, four hundred two".