13612221038 has 8 divisors (see below), whose sum is σ = 21988972488. Its totient is φ = 6282563544.

The previous prime is 13612220989. The next prime is 13612221041. The reversal of 13612221038 is 83012221631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13612221038.

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, 261773456 + ... + 261773507.

It is an arithmetic number, because the mean of its divisors is an integer number (2748621561).

Almost surely, 2^13612221038 is an apocalyptic number.

13612221038 is a deficient number, since it is larger than the sum of its proper divisors (8376751450).

13612221038 is a wasteful number, since it uses less digits than its factorization.

13612221038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523546978.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 13612221038 its reverse (83012221631), we get a palindrome (96624442669).

The spelling of 13612221038 in words is "thirteen billion, six hundred twelve million, two hundred twenty-one thousand, thirty-eight".