100120020122000 has 40 divisors (see below), whose sum is σ = 242090208659832. Its totient is φ = 40048008048000.

The previous prime is 100120020121951. The next prime is 100120020122053. The reversal of 100120020122000 is 221020021001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23327818092544 + 76792202029456 = 4829888^2 + 8763116^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25030003031 + ... + 25030007030.

Almost surely, 2^{100120020122000} is an apocalyptic number.

100120020122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100120020122000 is an abundant number, since it is smaller than the sum of its proper divisors (141970188537832).

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

100120020122000 is an equidigital number, since it uses as much as digits as its factorization.

100120020122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50060010084 (or 50060010068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100120020122000 its reverse (221020021001), we get a palindrome (100341040143001).

The spelling of 100120020122000 in words is "one hundred trillion, one hundred twenty billion, twenty million, one hundred twenty-two thousand".