123211100002 has 32 divisors (see below), whose sum is σ = 190025337600. Its totient is φ = 59888325888.

The previous prime is 123211099987. The next prime is 123211100053. The reversal of 123211100002 is 200001112321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9314149 + ... + 9327367.

It is an arithmetic number, because the mean of its divisors is an integer number (5938291800).

Almost surely, 2^123211100002 is an apocalyptic number.

123211100002 is a deficient number, since it is larger than the sum of its proper divisors (66814237598).

123211100002 is a wasteful number, since it uses less digits than its factorization.

123211100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13930.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 123211100002 its reverse (200001112321), we get a palindrome (323212212323).

The spelling of 123211100002 in words is "one hundred twenty-three billion, two hundred eleven million, one hundred thousand, two".