100220222212012 has 144 divisors (see below), whose sum is σ = 208841736898368. Its totient is φ = 41947054087680.

The previous prime is 100220222212007. The next prime is 100220222212027. The reversal of 100220222212012 is 210212222022001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1565737713 + ... + 1565801719.

It is an arithmetic number, because the mean of its divisors is an integer number (1450289839572).

Almost surely, 2^{100220222212012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100220222212012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104420868449184).

100220222212012 is an abundant number, since it is smaller than the sum of its proper divisors (108621514686356).

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

100220222212012 is a wasteful number, since it uses less digits than its factorization.

100220222212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65016 (or 65007 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 100220222212012 its reverse (210212222022001), we get a palindrome (310432444234013).

The spelling of 100220222212012 in words is "one hundred trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, twelve".