123011211300 has 72 divisors (see below), whose sum is σ = 358179533376. Its totient is φ = 32594040960.

The previous prime is 123011211283. The next prime is 123011211317. The reversal of 123011211300 is 3112110321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123011211283) and next prime (123011211317).

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 123011211300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1258752 + ... + 1352951.

Almost surely, 2^123011211300 is an apocalyptic number.

123011211300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123011211300 is an abundant number, since it is smaller than the sum of its proper divisors (235168322076).

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

123011211300 is a wasteful number, since it uses less digits than its factorization.

123011211300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611877 (or 2611870 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 123011211300 its reverse (3112110321), we get a palindrome (126123321621).

The spelling of 123011211300 in words is "one hundred twenty-three billion, eleven million, two hundred eleven thousand, three hundred".