1121212214300 has 36 divisors (see below), whose sum is σ = 2433723059880. Its totient is φ = 448357225920.

The previous prime is 1121212214299. The next prime is 1121212214347. The reversal of 1121212214300 is 34122121211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1242290 + ... + 1945689.

It is an arithmetic number, because the mean of its divisors is an integer number (67603418330).

Almost surely, 2^{1121212214300} is an apocalyptic number.

1121212214300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121212214300 is an abundant number, since it is smaller than the sum of its proper divisors (1312510845580).

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

1121212214300 is a wasteful number, since it uses less digits than its factorization.

1121212214300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191510 (or 3191503 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1121212214300 its reverse (34122121211), we get a palindrome (1155334335511).

The spelling of 1121212214300 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred fourteen thousand, three hundred".