100011021220012 has 72 divisors (see below), whose sum is σ = 226915762575600. Its totient is φ = 38217391543296.

The previous prime is 100011021220003. The next prime is 100011021220037. The reversal of 100011021220012 is 210022120110001.

It is a junction number, because it is equal to n+sod(n) for n = 100011021219974 and 100011021220001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 789813337 + ... + 789939952.

It is an arithmetic number, because the mean of its divisors is an integer number (3151607813550).

Almost surely, 2^{100011021220012} is an apocalyptic number.

It is an amenable number.

100011021220012 is an abundant number, since it is smaller than the sum of its proper divisors (126904741355588).

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

100011021220012 is a wasteful number, since it uses less digits than its factorization.

100011021220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579753343 (or 1579753334 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100011021220012 its reverse (210022120110001), we get a palindrome (310033141330013).

The spelling of 100011021220012 in words is "one hundred trillion, eleven billion, twenty-one million, two hundred twenty thousand, twelve".