101212111000012 has 48 divisors (see below), whose sum is σ = 193886233051392. Its totient is φ = 46022215127040.

The previous prime is 101212110999971. The next prime is 101212111000019. The reversal of 101212111000012 is 210000111212101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101212110999956 and 101212111000001.

It is not an unprimeable number, because it can be changed into a prime (101212111000019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35387133 + ... + 38140180.

It is an arithmetic number, because the mean of its divisors is an integer number (4039296521904).

Almost surely, 2^{101212111000012} is an apocalyptic number.

It is an amenable number.

101212111000012 is a deficient number, since it is larger than the sum of its proper divisors (92674122051380).

101212111000012 is a wasteful number, since it uses less digits than its factorization.

101212111000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73528018 (or 73528016 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101212111000012 its reverse (210000111212101), we get a palindrome (311212222212113).

The spelling of 101212111000012 in words is "one hundred one trillion, two hundred twelve billion, one hundred eleven million, twelve", and thus it is an aban number.