123212021102 has 16 divisors (see below), whose sum is σ = 186982494720. Its totient is φ = 60888498552.

The previous prime is 123212021087. The next prime is 123212021147. The reversal of 123212021102 is 201120212321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931748 + ... + 1055735.

It is an arithmetic number, because the mean of its divisors is an integer number (11686405920).

Almost surely, 2^123212021102 is an apocalyptic number.

123212021102 is a deficient number, since it is larger than the sum of its proper divisors (63770473618).

123212021102 is a wasteful number, since it uses less digits than its factorization.

123212021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987847.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 123212021102 its reverse (201120212321), we get a palindrome (324332233423).

The spelling of 123212021102 in words is "one hundred twenty-three billion, two hundred twelve million, twenty-one thousand, one hundred two".