123021211232 has 24 divisors (see below), whose sum is σ = 242248885200. Its totient is φ = 61497684864.

The previous prime is 123021211231. The next prime is 123021211241. The reversal of 123021211232 is 232112120321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123021211231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248132 + ... + 554627.

It is an arithmetic number, because the mean of its divisors is an integer number (10093703550).

Almost surely, 2^123021211232 is an apocalyptic number.

It is an amenable number.

123021211232 is a deficient number, since it is larger than the sum of its proper divisors (119227673968).

123021211232 is an equidigital number, since it uses as much as digits as its factorization.

123021211232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807558 (or 807550 counting only the distinct ones).

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

Adding to 123021211232 its reverse (232112120321), we get a palindrome (355133331553).

The spelling of 123021211232 in words is "one hundred twenty-three billion, twenty-one million, two hundred eleven thousand, two hundred thirty-two".