1232111020200 has 96 divisors (see below), whose sum is σ = 3820050992160. Its totient is φ = 328519340800.

The previous prime is 1232111020199. The next prime is 1232111020207. The reversal of 1232111020200 is 20201112321.

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 1232111020200.

It is not an unprimeable number, because it can be changed into a prime (1232111020207) 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, 4521835 + ... + 4786565.

It is an arithmetic number, because the mean of its divisors is an integer number (39792197835).

Almost surely, 2^{1232111020200} is an apocalyptic number.

1232111020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232111020200 is an abundant number, since it is smaller than the sum of its proper divisors (2587939971960).

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

1232111020200 is a wasteful number, since it uses less digits than its factorization.

1232111020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272507 (or 272498 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1232111020200 its reverse (20201112321), we get a palindrome (1252312132521).

It can be divided in two parts, 123211 and 1020200, that added together give a palindrome (1143411).

The spelling of 1232111020200 in words is "one trillion, two hundred thirty-two billion, one hundred eleven million, twenty thousand, two hundred".