100110021001212 has 192 divisors, whose sum is σ = 258438420979200. Its totient is φ = 30039766686720.

The previous prime is 100110021001153. The next prime is 100110021001217. The reversal of 100110021001212 is 212100120011001.

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 (100110021001217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3492886162 + ... + 3492914822.

It is an arithmetic number, because the mean of its divisors is an integer number (1346033442600).

Almost surely, 2^{100110021001212} is an apocalyptic number.

100110021001212 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 100110021001212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129219210489600).

100110021001212 is an abundant number, since it is smaller than the sum of its proper divisors (158328399977988).

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

100110021001212 is a wasteful number, since it uses less digits than its factorization.

100110021001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38396 (or 38394 counting only the distinct ones).

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

Adding to 100110021001212 its reverse (212100120011001), we get a palindrome (312210141012213).

The spelling of 100110021001212 in words is "one hundred trillion, one hundred ten billion, twenty-one million, one thousand, two hundred twelve".