100021202212 has 12 divisors (see below), whose sum is σ = 175494122496. Its totient is φ = 49880024360.

The previous prime is 100021202201. The next prime is 100021202231. The reversal of 100021202212 is 212202120001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100021202192 and 100021202201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32642464 + ... + 32645527.

It is an arithmetic number, because the mean of its divisors is an integer number (14624510208).

Almost surely, 2^100021202212 is an apocalyptic number.

It is an amenable number.

100021202212 is a deficient number, since it is larger than the sum of its proper divisors (75472920284).

100021202212 is a wasteful number, since it uses less digits than its factorization.

100021202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65288378 (or 65288376 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100021202212 its reverse (212202120001), we get a palindrome (312223322213).

The spelling of 100021202212 in words is "one hundred billion, twenty-one million, two hundred two thousand, two hundred twelve".