1202204130123 has 4 divisors (see below), whose sum is σ = 1602938840168. Its totient is φ = 801469420080.

The previous prime is 1202204130107. The next prime is 1202204130133. The reversal of 1202204130123 is 3210314022021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1202204130123 - 2⁴ = 1202204130107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202204130123.

It is not an unprimeable number, because it can be changed into a prime (1202204130133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200367355018 + ... + 200367355023.

It is an arithmetic number, because the mean of its divisors is an integer number (400734710042).

Almost surely, 2^{1202204130123} is an apocalyptic number.

1202204130123 is a deficient number, since it is larger than the sum of its proper divisors (400734710045).

1202204130123 is an equidigital number, since it uses as much as digits as its factorization.

1202204130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400734710044.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1202204130123 its reverse (3210314022021), we get a palindrome (4412518152144).

The spelling of 1202204130123 in words is "one trillion, two hundred two billion, two hundred four million, one hundred thirty thousand, one hundred twenty-three".