123300121220102 has 4 divisors (see below), whose sum is σ = 184950181830156. Its totient is φ = 61650060610050.

The previous prime is 123300121220077. The next prime is 123300121220153. The reversal of 123300121220102 is 201022121003321.

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, 30825030305024 + ... + 30825030305027.

It is an arithmetic number, because the mean of its divisors is an integer number (46237545457539).

Almost surely, 2^{123300121220102} is an apocalyptic number.

123300121220102 is a deficient number, since it is larger than the sum of its proper divisors (61650060610054).

123300121220102 is an equidigital number, since it uses as much as digits as its factorization.

123300121220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61650060610053.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 123300121220102 its reverse (201022121003321), we get a palindrome (324322242223423).

The spelling of 123300121220102 in words is "one hundred twenty-three trillion, three hundred billion, one hundred twenty-one million, two hundred twenty thousand, one hundred two".