100220012012 has 12 divisors (see below), whose sum is σ = 175388311896. Its totient is φ = 50109065760.

The previous prime is 100220011999. The next prime is 100220012023. The reversal of 100220012012 is 210210022001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100220011984 and 100220012002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40712 + ... + 449552.

It is an arithmetic number, because the mean of its divisors is an integer number (14615692658).

Almost surely, 2^100220012012 is an apocalyptic number.

It is an amenable number.

100220012012 is a deficient number, since it is larger than the sum of its proper divisors (75168299884).

100220012012 is a wasteful number, since it uses less digits than its factorization.

100220012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470128 (or 470126 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100220012012 its reverse (210210022001), we get a palindrome (310430034013).

The spelling of 100220012012 in words is "one hundred billion, two hundred twenty million, twelve thousand, twelve".