10321213450 has 12 divisors (see below), whose sum is σ = 19197457110. Its totient is φ = 4128485360.

The previous prime is 10321213447. The next prime is 10321213493. The reversal of 10321213450 is 5431212301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9855128529 + 466084921 = 99273^2 + 21589^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103212085 + ... + 103212184.

Almost surely, 2^10321213450 is an apocalyptic number.

10321213450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10321213450 is a deficient number, since it is larger than the sum of its proper divisors (8876243660).

10321213450 is a wasteful number, since it uses less digits than its factorization.

10321213450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206424281 (or 206424276 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 10321213450 its reverse (5431212301), we get a palindrome (15752425751).

The spelling of 10321213450 in words is "ten billion, three hundred twenty-one million, two hundred thirteen thousand, four hundred fifty".