212123231102 has 8 divisors (see below), whose sum is σ = 318194354376. Its totient is φ = 106058446312.

The previous prime is 212123231087. The next prime is 212123231123. The reversal of 212123231102 is 201132321212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500053 + ... + 1635360.

It is an arithmetic number, because the mean of its divisors is an integer number (39774294297).

Almost surely, 2^212123231102 is an apocalyptic number.

212123231102 is a deficient number, since it is larger than the sum of its proper divisors (106071123274).

212123231102 is a wasteful number, since it uses less digits than its factorization.

212123231102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169242.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212123231102 its reverse (201132321212), we get a palindrome (413255552314).

The spelling of 212123231102 in words is "two hundred twelve billion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred two".