203401422412 has 24 divisors (see below), whose sum is σ = 356438638080. Its totient is φ = 101561874960.

The previous prime is 203401422359. The next prime is 203401422467. The reversal of 203401422412 is 214224104302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26622889 + ... + 26630527.

It is an arithmetic number, because the mean of its divisors is an integer number (14851609920).

Almost surely, 2^203401422412 is an apocalyptic number.

It is an amenable number.

203401422412 is a deficient number, since it is larger than the sum of its proper divisors (153037215668).

203401422412 is a wasteful number, since it uses less digits than its factorization.

203401422412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15861 (or 15859 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 203401422412 its reverse (214224104302), we get a palindrome (417625526714).

The spelling of 203401422412 in words is "two hundred three billion, four hundred one million, four hundred twenty-two thousand, four hundred twelve".