10203412312 has 32 divisors (see below), whose sum is σ = 19426936320. Its totient is φ = 5022974880.

The previous prime is 10203412231. The next prime is 10203412327. The reversal of 10203412312 is 21321430201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10203412312.

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, 1428093 + ... + 1435219.

It is an arithmetic number, because the mean of its divisors is an integer number (607091760).

Almost surely, 2^10203412312 is an apocalyptic number.

It is an amenable number.

10203412312 is a deficient number, since it is larger than the sum of its proper divisors (9223524008).

10203412312 is a wasteful number, since it uses less digits than its factorization.

10203412312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9871 (or 9867 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10203412312 its reverse (21321430201), we get a palindrome (31524842513).

The spelling of 10203412312 in words is "ten billion, two hundred three million, four hundred twelve thousand, three hundred twelve".