1012022100000 has 432 divisors, whose sum is σ = 3730510982016. Its totient is φ = 269866080000.

The previous prime is 1012022099999. The next prime is 1012022100077. The reversal of 1012022100000 is 12202101.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (9).

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 71 ways as a sum of consecutive naturals, for example, 24279177 + ... + 24320823.

It is an arithmetic number, because the mean of its divisors is an integer number (8635442088).

Almost surely, 2^{1012022100000} is an apocalyptic number.

1012022100000 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 1012022100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865255491008).

1012022100000 is an abundant number, since it is smaller than the sum of its proper divisors (2718488882016).

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

1012022100000 is an frugal number, since it uses more digits than its factorization.

1012022100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41697 (or 41657 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1012022100000 its reverse (12202101), we get a palindrome (1012034302101).

The spelling of 1012022100000 in words is "one trillion, twelve billion, twenty-two million, one hundred thousand".