1211200112300 has 72 divisors (see below), whose sum is σ = 2631980292480. Its totient is φ = 483803020800.

The previous prime is 1211200112231. The next prime is 1211200112321. The reversal of 1211200112300 is 32110021121.

It is a super-2 number, since 2×1211200112300² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342048530 + ... + 342052070.

It is an arithmetic number, because the mean of its divisors is an integer number (36555281840).

Almost surely, 2^{1211200112300} is an apocalyptic number.

1211200112300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211200112300 is an abundant number, since it is smaller than the sum of its proper divisors (1420780180180).

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

1211200112300 is a wasteful number, since it uses less digits than its factorization.

1211200112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7371 (or 7364 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1211200112300 its reverse (32110021121), we get a palindrome (1243310133421).

The spelling of 1211200112300 in words is "one trillion, two hundred eleven billion, two hundred million, one hundred twelve thousand, three hundred".