100120200030120 has 32 divisors (see below), whose sum is σ = 300360600090720. Its totient is φ = 26698720008000.

The previous prime is 100120200029963. The next prime is 100120200030121. The reversal of 100120200030120 is 21030002021001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100120200030096 and 100120200030105.

It is not an unprimeable number, because it can be changed into a prime (100120200030121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417167500006 + ... + 417167500245.

It is an arithmetic number, because the mean of its divisors is an integer number (9386268752835).

Almost surely, 2^{100120200030120} is an apocalyptic number.

100120200030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100120200030120 is an abundant number, since it is smaller than the sum of its proper divisors (200240400060600).

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

100120200030120 is a wasteful number, since it uses less digits than its factorization.

100120200030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834335000265 (or 834335000261 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100120200030120 its reverse (21030002021001), we get a palindrome (121150202051121).

The spelling of 100120200030120 in words is "one hundred trillion, one hundred twenty billion, two hundred million, thirty thousand, one hundred twenty".