1230000402133 has 4 divisors (see below), whose sum is σ = 1232416906380. Its totient is φ = 1227583897888.

The previous prime is 1230000402031. The next prime is 1230000402179. The reversal of 1230000402133 is 3312040000321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1087436011204 + 142564390929 = 1042802^2 + 377577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230000402133 - 2²⁹ = 1229463531221 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 1230000402133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230000406133) 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 3 ways as a sum of consecutive naturals, for example, 1208251360 + ... + 1208252377.

It is an arithmetic number, because the mean of its divisors is an integer number (308104226595).

Almost surely, 2^{1230000402133} is an apocalyptic number.

It is an amenable number.

1230000402133 is a deficient number, since it is larger than the sum of its proper divisors (2416504247).

1230000402133 is an equidigital number, since it uses as much as digits as its factorization.

1230000402133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416504246.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1230000402133 its reverse (3312040000321), we get a palindrome (4542040402454).

The spelling of 1230000402133 in words is "one trillion, two hundred thirty billion, four hundred two thousand, one hundred thirty-three".