10203420031012 has 24 divisors (see below), whose sum is σ = 19229717681216. Its totient is φ = 4709222951328.

The previous prime is 10203420031009. The next prime is 10203420031087. The reversal of 10203420031012 is 21013002430201.

It is a happy number.

10203420031012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4456513 + ... + 6345655.

Almost surely, 2^{10203420031012} is an apocalyptic number.

It is an amenable number.

10203420031012 is a deficient number, since it is larger than the sum of its proper divisors (9026297650204).

10203420031012 is a wasteful number, since it uses less digits than its factorization.

10203420031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993027 (or 1993025 counting only the distinct ones).

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

Adding to 10203420031012 its reverse (21013002430201), we get a palindrome (31216422461213).

The spelling of 10203420031012 in words is "ten trillion, two hundred three billion, four hundred twenty million, thirty-one thousand, twelve".