100121120012 has 24 divisors (see below), whose sum is σ = 179682444480. Its totient is φ = 48792119040.

The previous prime is 100121119981. The next prime is 100121120041. The reversal of 100121120012 is 210021121001.

100121120012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 100121119975 and 100121120002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059587 + ... + 1150202.

It is an arithmetic number, because the mean of its divisors is an integer number (7486768520).

Almost surely, 2^100121120012 is an apocalyptic number.

It is an amenable number.

100121120012 is a deficient number, since it is larger than the sum of its proper divisors (79561324468).

100121120012 is a wasteful number, since it uses less digits than its factorization.

100121120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210081 (or 2210079 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100121120012 its reverse (210021121001), we get a palindrome (310142241013).

The spelling of 100121120012 in words is "one hundred billion, one hundred twenty-one million, one hundred twenty thousand, twelve".