100220012211212 has 12 divisors (see below), whose sum is σ = 175385096489400. Its totient is φ = 50109984642816.

The previous prime is 100220012211199. The next prime is 100220012211223. The reversal of 100220012211212 is 212112210022001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10082348 + ... + 17380844.

It is an arithmetic number, because the mean of its divisors is an integer number (14615424707450).

Almost surely, 2^{100220012211212} is an apocalyptic number.

It is an amenable number.

100220012211212 is a deficient number, since it is larger than the sum of its proper divisors (75165084278188).

100220012211212 is a wasteful number, since it uses less digits than its factorization.

100220012211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10731400 (or 10731398 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100220012211212 its reverse (212112210022001), we get a palindrome (312332222233213).

The spelling of 100220012211212 in words is "one hundred trillion, two hundred twenty billion, twelve million, two hundred eleven thousand, two hundred twelve".