123212130001 has 16 divisors (see below), whose sum is σ = 131118039360. Its totient is φ = 115380702720.

The previous prime is 123212129983. The next prime is 123212130029. The reversal of 123212130001 is 100031212321.

It is not a de Polignac number, because 123212130001 - 2⁵ = 123212129969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123212130401) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2948866 + ... + 2990356.

It is an arithmetic number, because the mean of its divisors is an integer number (8194877460).

Almost surely, 2^123212130001 is an apocalyptic number.

It is an amenable number.

123212130001 is a deficient number, since it is larger than the sum of its proper divisors (7905909359).

123212130001 is a wasteful number, since it uses less digits than its factorization.

123212130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42384.

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

Adding to 123212130001 its reverse (100031212321), we get a palindrome (223243342322).

The spelling of 123212130001 in words is "one hundred twenty-three billion, two hundred twelve million, one hundred thirty thousand, one".