203150013121452 has 12 divisors (see below), whose sum is σ = 474016697283416. Its totient is φ = 67716671040480.

The previous prime is 203150013121439. The next prime is 203150013121477. The reversal of 203150013121452 is 254121310051302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×203150013121452² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8464583880049 + ... + 8464583880072.

Almost surely, 2^{203150013121452} is an apocalyptic number.

It is an amenable number.

203150013121452 is an abundant number, since it is smaller than the sum of its proper divisors (270866684161964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203150013121452 is a wasteful number, since it uses less digits than its factorization.

203150013121452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16929167760128 (or 16929167760126 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 203150013121452 its reverse (254121310051302), we get a palindrome (457271323172754).

The spelling of 203150013121452 in words is "two hundred three trillion, one hundred fifty billion, thirteen million, one hundred twenty-one thousand, four hundred fifty-two".