203012012013 has 16 divisors (see below), whose sum is σ = 275816952576. Its totient is φ = 132774707520.

The previous prime is 203012011999. The next prime is 203012012029. The reversal of 203012012013 is 310210210302.

It is not a de Polignac number, because 203012012013 - 2⁴ = 203012011997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203012011983 and 203012012001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203012012053) 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, 1723308 + ... + 1837338.

It is an arithmetic number, because the mean of its divisors is an integer number (17238559536).

Almost surely, 2^203012012013 is an apocalyptic number.

It is an amenable number.

203012012013 is a deficient number, since it is larger than the sum of its proper divisors (72804940563).

203012012013 is a wasteful number, since it uses less digits than its factorization.

203012012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125284.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 203012012013 its reverse (310210210302), we get a palindrome (513222222315).

The spelling of 203012012013 in words is "two hundred three billion, twelve million, twelve thousand, thirteen".