100212000020012 has 24 divisors (see below), whose sum is σ = 178595946994416. Its totient is φ = 49189691377728.

The previous prime is 100212000019991. The next prime is 100212000020107. The reversal of 100212000020012 is 210020000212001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100212000019975 and 100212000020002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638019383 + ... + 638176430.

It is an arithmetic number, because the mean of its divisors is an integer number (7441497791434).

Almost surely, 2^{100212000020012} is an apocalyptic number.

It is an amenable number.

100212000020012 is a deficient number, since it is larger than the sum of its proper divisors (78383946974404).

100212000020012 is a wasteful number, since it uses less digits than its factorization.

100212000020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276196177 (or 1276196175 counting only the distinct ones).

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

Adding to 100212000020012 its reverse (210020000212001), we get a palindrome (310232000232013).

The spelling of 100212000020012 in words is "one hundred trillion, two hundred twelve billion, twenty thousand, twelve".