203412278792 has 12 divisors (see below), whose sum is σ = 381400414605. Its totient is φ = 101705501568.

The previous prime is 203412278791. The next prime is 203412278843. The reversal of 203412278792 is 297872214302.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 117941417476 + 85470861316 = 343426^2 + 292354^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=318914.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203412278791) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1195928 + ... + 1355384.

Almost surely, 2^203412278792 is an apocalyptic number.

It is an amenable number.

203412278792 is a deficient number, since it is larger than the sum of its proper divisors (177988135813).

203412278792 is an frugal number, since it uses more digits than its factorization.

203412278792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318920 (or 159459 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 203412278792 in words is "two hundred three billion, four hundred twelve million, two hundred seventy-eight thousand, seven hundred ninety-two".