13432021012 has 6 divisors (see below), whose sum is σ = 23506036778. Its totient is φ = 6716010504.

The previous prime is 13432020991. The next prime is 13432021019. The reversal of 13432021012 is 21012023431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13182254596 + 249766416 = 114814^2 + 15804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13432021019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1679002623 + ... + 1679002630.

Almost surely, 2^13432021012 is an apocalyptic number.

It is an amenable number.

13432021012 is a deficient number, since it is larger than the sum of its proper divisors (10074015766).

13432021012 is a wasteful number, since it uses less digits than its factorization.

13432021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358005257 (or 3358005255 counting only the distinct ones).

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

Adding to 13432021012 its reverse (21012023431), we get a palindrome (34444044443).

The spelling of 13432021012 in words is "thirteen billion, four hundred thirty-two million, twenty-one thousand, twelve".