100120010012 has 24 divisors (see below), whose sum is σ = 191214774912. Its totient is φ = 45490863600.

The previous prime is 100120009949. The next prime is 100120010071. The reversal of 100120010012 is 210010021001.

It is a congruent number.

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, 344414 + ... + 564677.

It is an arithmetic number, because the mean of its divisors is an integer number (7967282288).

Almost surely, 2^100120010012 is an apocalyptic number.

It is an amenable number.

100120010012 is a deficient number, since it is larger than the sum of its proper divisors (91094764900).

100120010012 is a wasteful number, since it uses less digits than its factorization.

100120010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911609 (or 911607 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100120010012 its reverse (210010021001), we get a palindrome (310130031013).

It can be divided in two parts, 1001200 and 10012, that multiplied together give a square (10024014400 = 100120²).

The spelling of 100120010012 in words is "one hundred billion, one hundred twenty million, ten thousand, twelve".