13123122220102 has 4 divisors (see below), whose sum is σ = 19684683330156. Its totient is φ = 6561561110050.

The previous prime is 13123122220093. The next prime is 13123122220121. The reversal of 13123122220102 is 20102222132131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280780555024 + ... + 3280780555027.

It is an arithmetic number, because the mean of its divisors is an integer number (4921170832539).

Almost surely, 2^{13123122220102} is an apocalyptic number.

13123122220102 is a deficient number, since it is larger than the sum of its proper divisors (6561561110054).

13123122220102 is an equidigital number, since it uses as much as digits as its factorization.

13123122220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561561110053.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13123122220102 its reverse (20102222132131), we get a palindrome (33225344352233).

The spelling of 13123122220102 in words is "thirteen trillion, one hundred twenty-three billion, one hundred twenty-two million, two hundred twenty thousand, one hundred two".