203011212102 has 32 divisors (see below), whose sum is σ = 430299659232. Its totient is φ = 63631486464.

The previous prime is 203011212073. The next prime is 203011212113. The reversal of 203011212102 is 201212110302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798993 + ... + 1021964.

It is an arithmetic number, because the mean of its divisors is an integer number (13446864351).

Almost surely, 2^203011212102 is an apocalyptic number.

203011212102 is an abundant number, since it is smaller than the sum of its proper divisors (227288447130).

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

203011212102 is a wasteful number, since it uses less digits than its factorization.

203011212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822072.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 203011212102 its reverse (201212110302), we get a palindrome (404223322404).

The spelling of 203011212102 in words is "two hundred three billion, eleven million, two hundred twelve thousand, one hundred two".