13202231450 has 24 divisors (see below), whose sum is σ = 26000631612. Its totient is φ = 4970251520.

The previous prime is 13202231429. The next prime is 13202231473. The reversal of 13202231450 is 5413220231.

It can be written as a sum of positive squares in 6 ways, for example, as 6321363049 + 6880868401 = 79507^2 + 82951^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7765169 + ... + 7766868.

Almost surely, 2^13202231450 is an apocalyptic number.

13202231450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13202231450 is a deficient number, since it is larger than the sum of its proper divisors (12798400162).

13202231450 is a wasteful number, since it uses less digits than its factorization.

13202231450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15532066 (or 15532061 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 13202231450 its reverse (5413220231), we get a palindrome (18615451681).

The spelling of 13202231450 in words is "thirteen billion, two hundred two million, two hundred thirty-one thousand, four hundred fifty".