203212013029 has 4 divisors (see below), whose sum is σ = 205224013260. Its totient is φ = 201200012800.

The previous prime is 203212013027. The next prime is 203212013167. The reversal of 203212013029 is 920310212302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123970889025 + 79241124004 = 352095^2 + 281498^2 .

It is a cyclic number.

It is not a de Polignac number, because 203212013029 - 2¹ = 203212013027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203212012994 and 203212013012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203212013021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005999964 + ... + 1006000165.

It is an arithmetic number, because the mean of its divisors is an integer number (51306003315).

Almost surely, 2^203212013029 is an apocalyptic number.

It is an amenable number.

203212013029 is a deficient number, since it is larger than the sum of its proper divisors (2012000231).

203212013029 is a wasteful number, since it uses less digits than its factorization.

203212013029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012000230.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 203212013029 in words is "two hundred three billion, two hundred twelve million, thirteen thousand, twenty-nine".