10101001021212 has 24 divisors (see below), whose sum is σ = 24593741617536. Its totient is φ = 3220609021168.

The previous prime is 10101001021193. The next prime is 10101001021213. The reversal of 10101001021212 is 21212010010101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101001021213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18298914618 + ... + 18298915169.

It is an arithmetic number, because the mean of its divisors is an integer number (1024739234064).

Almost surely, 2^{10101001021212} is an apocalyptic number.

10101001021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10101001021212 is an abundant number, since it is smaller than the sum of its proper divisors (14492740596324).

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

10101001021212 is a wasteful number, since it uses less digits than its factorization.

10101001021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36597829817 (or 36597829815 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10101001021212 its reverse (21212010010101), we get a palindrome (31313011031313).

The spelling of 10101001021212 in words is "ten trillion, one hundred one billion, one million, twenty-one thousand, two hundred twelve".