101212000000 has 126 divisors (see below), whose sum is σ = 252542548664. Its totient is φ = 40483200000.

The previous prime is 101211999991. The next prime is 101212000009. The reversal of 101212000000 is 212101.

It is an interprime number because it is at equal distance from previous prime (101211999991) and next prime (101212000009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212000009) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3987349 + ... + 4012651.

Almost surely, 2^101212000000 is an apocalyptic number.

101212000000 is a gapful number since it is divisible by the number (10) 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 101212000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126271274332).

101212000000 is an abundant number, since it is smaller than the sum of its proper divisors (151330548664).

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

101212000000 is an frugal number, since it uses more digits than its factorization.

101212000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25349 (or 25310 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 101212000000 its reverse (212101), we get a palindrome (101212212101).

The spelling of 101212000000 in words is "one hundred one billion, two hundred twelve million", and thus it is an aban number.