203012120102 has 16 divisors (see below), whose sum is σ = 332990743824. Its totient is φ = 92059044000.

The previous prime is 203012120083. The next prime is 203012120203. The reversal of 203012120102 is 201021210302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10950149 + ... + 10968672.

It is an arithmetic number, because the mean of its divisors is an integer number (20811921489).

Almost surely, 2^203012120102 is an apocalyptic number.

203012120102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203012120102 is a deficient number, since it is larger than the sum of its proper divisors (129978623722).

203012120102 is a wasteful number, since it uses less digits than its factorization.

203012120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21919255.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 203012120102 its reverse (201021210302), we get a palindrome (404033330404).

The spelling of 203012120102 in words is "two hundred three billion, twelve million, one hundred twenty thousand, one hundred two".