101212021111012 has 48 divisors (see below), whose sum is σ = 202970411176960. Its totient is φ = 43259515260192.

The previous prime is 101212021110997. The next prime is 101212021111043. The reversal of 101212021111012 is 210111120212101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180623023 + ... + 181182505.

Almost surely, 2^{101212021111012} is an apocalyptic number.

It is an amenable number.

101212021111012 is an abundant number, since it is smaller than the sum of its proper divisors (101758390065948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101212021111012 is a wasteful number, since it uses less digits than its factorization.

101212021111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576920 (or 576918 counting only the distinct ones).

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

Adding to 101212021111012 its reverse (210111120212101), we get a palindrome (311323141323113).

The spelling of 101212021111012 in words is "one hundred one trillion, two hundred twelve billion, twenty-one million, one hundred eleven thousand, twelve".