1230201203122 has 4 divisors (see below), whose sum is σ = 1845301804686. Its totient is φ = 615100601560.

The previous prime is 1230201203047. The next prime is 1230201203171. The reversal of 1230201203122 is 2213021020321.

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

It can be written as a sum of positive squares in only one way, i.e., 878135793921 + 352065409201 = 937089^2 + 593351^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1230201203122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307550300779 + ... + 307550300782.

Almost surely, 2^{1230201203122} is an apocalyptic number.

1230201203122 is a deficient number, since it is larger than the sum of its proper divisors (615100601564).

1230201203122 is an equidigital number, since it uses as much as digits as its factorization.

1230201203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615100601563.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1230201203122 its reverse (2213021020321), we get a palindrome (3443222223443).

The spelling of 1230201203122 in words is "one trillion, two hundred thirty billion, two hundred one million, two hundred three thousand, one hundred twenty-two".