100020222212 has 12 divisors (see below), whose sum is σ = 178337943756. Its totient is φ = 49066524000.

The previous prime is 100020222209. The next prime is 100020222223. The reversal of 100020222212 is 212222020001.

It can be written as a sum of positive squares in 2 ways, for example, as 69560897536 + 30459324676 = 263744^2 + 174526^2 .

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, 235896539 + ... + 235896962.

It is an arithmetic number, because the mean of its divisors is an integer number (14861495313).

Almost surely, 2^100020222212 is an apocalyptic number.

It is an amenable number.

100020222212 is a deficient number, since it is larger than the sum of its proper divisors (78317721544).

100020222212 is a wasteful number, since it uses less digits than its factorization.

100020222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471793558 (or 471793556 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 100020222212 its reverse (212222020001), we get a palindrome (312242242213).

The spelling of 100020222212 in words is "one hundred billion, twenty million, two hundred twenty-two thousand, two hundred twelve".