101120100012 has 36 divisors (see below), whose sum is σ = 262517500336. Its totient is φ = 32795707680.

The previous prime is 101120099999. The next prime is 101120100079. The reversal of 101120100012 is 210001021101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 101120099967 and 101120100003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37956664 + ... + 37959327.

Almost surely, 2^101120100012 is an apocalyptic number.

101120100012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101120100012 is an abundant number, since it is smaller than the sum of its proper divisors (161397400324).

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

101120100012 is a wasteful number, since it uses less digits than its factorization.

101120100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75916038 (or 75916033 counting only the distinct ones).

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

Adding to 101120100012 its reverse (210001021101), we get a palindrome (311121121113).

The spelling of 101120100012 in words is "one hundred one billion, one hundred twenty million, one hundred thousand, twelve".