1022112120000 has 280 divisors, whose sum is σ = 3409292064816. Its totient is φ = 270147584000.

The previous prime is 1022112119971. The next prime is 1022112120013. The reversal of 1022112120000 is 212112201.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 13522312 + ... + 13597688.

Almost surely, 2^{1022112120000} is an apocalyptic number.

1022112120000 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 1022112120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704646032408).

1022112120000 is an abundant number, since it is smaller than the sum of its proper divisors (2387179944816).

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

1022112120000 is an equidigital number, since it uses as much as digits as its factorization.

1022112120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75525 (or 75500 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1022112120000 its reverse (212112201), we get a palindrome (1022324232201).

The spelling of 1022112120000 in words is "one trillion, twenty-two billion, one hundred twelve million, one hundred twenty thousand".