122001203403 has 16 divisors (see below), whose sum is σ = 181044288000. Its totient is φ = 81198341640.

The previous prime is 122001203393. The next prime is 122001203437. The reversal of 122001203403 is 304302100221.

122001203403 is a `hidden beast` number, since 1 + 2 + 200 + 120 + 340 + 3 = 666.

It is not a de Polignac number, because 122001203403 - 2¹⁴ = 122001187019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122001203903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3755583 + ... + 3787928.

It is an arithmetic number, because the mean of its divisors is an integer number (11315268000).

Almost surely, 2^122001203403 is an apocalyptic number.

122001203403 is a deficient number, since it is larger than the sum of its proper divisors (59043084597).

122001203403 is an equidigital number, since it uses as much as digits as its factorization.

122001203403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7544119 (or 7544113 counting only the distinct ones).

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

Adding to 122001203403 its reverse (304302100221), we get a palindrome (426303303624).

The spelling of 122001203403 in words is "one hundred twenty-two billion, one million, two hundred three thousand, four hundred three".