1202030202123 has 12 divisors (see below), whose sum is σ = 1811755667280. Its totient is φ = 766512012816.

The previous prime is 1202030202119. The next prime is 1202030202127. The reversal of 1202030202123 is 3212020302021.

It is an interprime number because it is at equal distance from previous prime (1202030202119) and next prime (1202030202127).

It is not a de Polignac number, because 1202030202123 - 2² = 1202030202119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202030202096 and 1202030202105.

It is not an unprimeable number, because it can be changed into a prime (1202030202127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2903454388 + ... + 2903454801.

It is an arithmetic number, because the mean of its divisors is an integer number (150979638940).

Almost surely, 2^{1202030202123} is an apocalyptic number.

1202030202123 is a deficient number, since it is larger than the sum of its proper divisors (609725465157).

1202030202123 is a wasteful number, since it uses less digits than its factorization.

1202030202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806909218 (or 5806909215 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1202030202123 its reverse (3212020302021), we get a palindrome (4414050504144).

The spelling of 1202030202123 in words is "one trillion, two hundred two billion, thirty million, two hundred two thousand, one hundred twenty-three".