1231223022102 has 16 divisors (see below), whose sum is σ = 2462519066112. Its totient is φ = 410395503720.

The previous prime is 1231223022097. The next prime is 1231223022131. The reversal of 1231223022102 is 2012203221321.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2822158 + ... + 3229089.

It is an arithmetic number, because the mean of its divisors is an integer number (153907441632).

Almost surely, 2^{1231223022102} is an apocalyptic number.

1231223022102 is an abundant number, since it is smaller than the sum of its proper divisors (1231296044010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231223022102 is a wasteful number, since it uses less digits than its factorization.

1231223022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085163.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1231223022102 its reverse (2012203221321), we get a palindrome (3243426243423).

The spelling of 1231223022102 in words is "one trillion, two hundred thirty-one billion, two hundred twenty-three million, twenty-two thousand, one hundred two".