13321212202126 has 16 divisors (see below), whose sum is σ = 20680202208960. Its totient is φ = 6431161029120.

The previous prime is 13321212202087. The next prime is 13321212202127. The reversal of 13321212202126 is 62120221212331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13321212202094 and 13321212202103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321212202127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837382806 + ... + 837398713.

It is an arithmetic number, because the mean of its divisors is an integer number (1292512638060).

Almost surely, 2^{13321212202126} is an apocalyptic number.

13321212202126 is a deficient number, since it is larger than the sum of its proper divisors (7358990006834).

13321212202126 is a wasteful number, since it uses less digits than its factorization.

13321212202126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674781659.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 13321212202126 its reverse (62120221212331), we get a palindrome (75441433414457).

The spelling of 13321212202126 in words is "thirteen trillion, three hundred twenty-one billion, two hundred twelve million, two hundred two thousand, one hundred twenty-six".