123211020300 has 72 divisors (see below), whose sum is σ = 356535628176. Its totient is φ = 32852117760.

The previous prime is 123211020299. The next prime is 123211020301. The reversal of 123211020300 is 3020112321.

It is an interprime number because it is at equal distance from previous prime (123211020299) and next prime (123211020301).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123211020300.

It is not an unprimeable number, because it can be changed into a prime (123211020301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2898802 + ... + 2940998.

Almost surely, 2^123211020300 is an apocalyptic number.

123211020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123211020300 is an abundant number, since it is smaller than the sum of its proper divisors (233324607876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123211020300 is a wasteful number, since it uses less digits than its factorization.

123211020300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51947 (or 51940 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123211020300 its reverse (3020112321), we get a palindrome (126231132621).

The spelling of 123211020300 in words is "one hundred twenty-three billion, two hundred eleven million, twenty thousand, three hundred".