1122121012000 has 192 divisors, whose sum is σ = 2944135434240. Its totient is φ = 419389824000.

The previous prime is 1122121011953. The next prime is 1122121012013. The reversal of 1122121012000 is 2101212211.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3439977 + ... + 3752023.

It is an arithmetic number, because the mean of its divisors is an integer number (15334038720).

Almost surely, 2^{1122121012000} is an apocalyptic number.

1122121012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122121012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472067717120).

1122121012000 is an abundant number, since it is smaller than the sum of its proper divisors (1822014422240).

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

1122121012000 is a wasteful number, since it uses less digits than its factorization.

1122121012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312132 (or 312114 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1122121012000 its reverse (2101212211), we get a palindrome (1124222224211).

The spelling of 1122121012000 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, twelve thousand".