203012123232 has 48 divisors (see below), whose sum is σ = 534803360112. Its totient is φ = 67429877760.

The previous prime is 203012123227. The next prime is 203012123243. The reversal of 203012123232 is 232321210302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 203012123199 and 203012123208.

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, 3735853 + ... + 3789804.

It is an arithmetic number, because the mean of its divisors is an integer number (11141736669).

Almost surely, 2^203012123232 is an apocalyptic number.

It is an amenable number.

203012123232 is an abundant number, since it is smaller than the sum of its proper divisors (331791236880).

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

203012123232 is a wasteful number, since it uses less digits than its factorization.

203012123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525951 (or 7525943 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203012123232 its reverse (232321210302), we get a palindrome (435333333534).

The spelling of 203012123232 in words is "two hundred three billion, twelve million, one hundred twenty-three thousand, two hundred thirty-two".