1230123001102 has 4 divisors (see below), whose sum is σ = 1845184501656. Its totient is φ = 615061500550.

The previous prime is 1230123001097. The next prime is 1230123001103. The reversal of 1230123001102 is 2011003210321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230123001103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307530750274 + ... + 307530750277.

It is an arithmetic number, because the mean of its divisors is an integer number (461296125414).

Almost surely, 2^{1230123001102} is an apocalyptic number.

1230123001102 is a deficient number, since it is larger than the sum of its proper divisors (615061500554).

1230123001102 is an equidigital number, since it uses as much as digits as its factorization.

1230123001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615061500553.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1230123001102 its reverse (2011003210321), we get a palindrome (3241126211423).

The spelling of 1230123001102 in words is "one trillion, two hundred thirty billion, one hundred twenty-three million, one thousand, one hundred two".