1203121113322 has 4 divisors (see below), whose sum is σ = 1804681669986. Its totient is φ = 601560556660.

The previous prime is 1203121113269. The next prime is 1203121113323. The reversal of 1203121113322 is 2233111213021.

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., 740406899961 + 462714213361 = 860469^2 + 680231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1203121113293 and 1203121113302.

It is not an unprimeable number, because it can be changed into a prime (1203121113323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300780278329 + ... + 300780278332.

Almost surely, 2^{1203121113322} is an apocalyptic number.

1203121113322 is a deficient number, since it is larger than the sum of its proper divisors (601560556664).

1203121113322 is an equidigital number, since it uses as much as digits as its factorization.

1203121113322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601560556663.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1203121113322 its reverse (2233111213021), we get a palindrome (3436232326343).

The spelling of 1203121113322 in words is "one trillion, two hundred three billion, one hundred twenty-one million, one hundred thirteen thousand, three hundred twenty-two".