10101011010012 has 144 divisors (see below), whose sum is σ = 29124417303072. Its totient is φ = 2924201226240.

The previous prime is 10101011010011. The next prime is 10101011010073. The reversal of 10101011010012 is 21001011010101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10101011009976 and 10101011010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101011010011) 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 47 ways as a sum of consecutive naturals, for example, 23744688 + ... + 24166344.

It is an arithmetic number, because the mean of its divisors is an integer number (202252897938).

Almost surely, 2^{10101011010012} is an apocalyptic number.

10101011010012 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 10101011010012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14562208651536).

10101011010012 is an abundant number, since it is smaller than the sum of its proper divisors (19023406293060).

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

10101011010012 is a wasteful number, since it uses less digits than its factorization.

10101011010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424708 (or 424703 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 10101011010012 its reverse (21001011010101), we get a palindrome (31102022020113).

The spelling of 10101011010012 in words is "ten trillion, one hundred one billion, eleven million, ten thousand, twelve".