10403240212 has 12 divisors (see below), whose sum is σ = 18206649076. Its totient is φ = 5201340480.

The previous prime is 10403240191. The next prime is 10403240227. The reversal of 10403240212 is 21204230401.

It can be written as a sum of positive squares in 2 ways, for example, as 7504063876 + 2899176336 = 86626^2 + 53844^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10403240212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29512 + ... + 147232.

Almost surely, 2^10403240212 is an apocalyptic number.

It is an amenable number.

10403240212 is a deficient number, since it is larger than the sum of its proper divisors (7803408864).

10403240212 is a wasteful number, since it uses less digits than its factorization.

10403240212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139818 (or 139816 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10403240212 its reverse (21204230401), we get a palindrome (31607470613).

The spelling of 10403240212 in words is "ten billion, four hundred three million, two hundred forty thousand, two hundred twelve".