100012000101120 has 864 divisors, whose sum is σ = 360662351212800. Its totient is φ = 25565350035456.

The previous prime is 100012000101107. The next prime is 100012000101127. The reversal of 100012000101120 is 21101000210001.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (100012000101127) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13408227951 + ... + 13408235409.

Almost surely, 2^{100012000101120} is an apocalyptic number.

100012000101120 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 100012000101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180331175606400).

100012000101120 is an abundant number, since it is smaller than the sum of its proper divisors (260650351111680).

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

100012000101120 is a wasteful number, since it uses less digits than its factorization.

100012000101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7985 (or 7968 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100012000101120 its reverse (21101000210001), we get a palindrome (121113000311121).

The spelling of 100012000101120 in words is "one hundred trillion, twelve billion, one hundred one thousand, one hundred twenty".