101011010011212 has 96 divisors (see below), whose sum is σ = 272213364294144. Its totient is φ = 28555245504000.

The previous prime is 101011010011181. The next prime is 101011010011271. The reversal of 101011010011212 is 212110010110101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8545203 + ... + 16584405.

It is an arithmetic number, because the mean of its divisors is an integer number (2835555878064).

Almost surely, 2^{101011010011212} is an apocalyptic number.

101011010011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101011010011212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136106682147072).

101011010011212 is an abundant number, since it is smaller than the sum of its proper divisors (171202354282932).

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

101011010011212 is a wasteful number, since it uses less digits than its factorization.

101011010011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8040799 (or 8040797 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 101011010011212 its reverse (212110010110101), we get a palindrome (313121020121313).

The spelling of 101011010011212 in words is "one hundred one trillion, eleven billion, ten million, eleven thousand, two hundred twelve".