101012110111212 has 12 divisors (see below), whose sum is σ = 235694923592856. Its totient is φ = 33670703370400.

The previous prime is 101012110111181. The next prime is 101012110111217. The reversal of 101012110111212 is 212111011210101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 101012110111191 and 101012110111200.

It is not an unprimeable number, because it can be changed into a prime (101012110111217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208837921289 + ... + 4208837921312.

It is an arithmetic number, because the mean of its divisors is an integer number (19641243632738).

Almost surely, 2^{101012110111212} is an apocalyptic number.

101012110111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101012110111212 is an abundant number, since it is smaller than the sum of its proper divisors (134682813481644).

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

101012110111212 is a wasteful number, since it uses less digits than its factorization.

101012110111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8417675842608 (or 8417675842606 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 101012110111212 its reverse (212111011210101), we get a palindrome (313123121321313).

The spelling of 101012110111212 in words is "one hundred one trillion, twelve billion, one hundred ten million, one hundred eleven thousand, two hundred twelve".