1121212230000 has 200 divisors, whose sum is σ = 3809920435200. Its totient is φ = 283253472000.

The previous prime is 1121212229987. The next prime is 1121212230023. The reversal of 1121212230000 is 322121211.

It is a tau number, because it is divible by the number of its divisors (200).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 413520 + ... + 1553519.

It is an arithmetic number, because the mean of its divisors is an integer number (19049602176).

Almost surely, 2^{1121212230000} is an apocalyptic number.

1121212230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121212230000 is an abundant number, since it is smaller than the sum of its proper divisors (2688708205200).

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

1121212230000 is a wasteful number, since it uses less digits than its factorization.

1121212230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967089 (or 1967068 counting only the distinct ones).

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

Adding to 1121212230000 its reverse (322121211), we get a palindrome (1121534351211).

The spelling of 1121212230000 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred thirty thousand".