101212011030 has 128 divisors (see below), whose sum is σ = 263494135296. Its totient is φ = 24733440000.

The previous prime is 101212011013. The next prime is 101212011059. The reversal of 101212011030 is 30110212101.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101212010997 and 101212011015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35499105 + ... + 35501955.

It is an arithmetic number, because the mean of its divisors is an integer number (2058547932).

Almost surely, 2^101212011030 is an apocalyptic number.

101212011030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101212011030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131747067648).

101212011030 is an abundant number, since it is smaller than the sum of its proper divisors (162282124266).

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

101212011030 is a wasteful number, since it uses less digits than its factorization.

101212011030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502.

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

Adding to 101212011030 its reverse (30110212101), we get a palindrome (131322223131).

The spelling of 101212011030 in words is "one hundred one billion, two hundred twelve million, eleven thousand, thirty".