101220303212 has 12 divisors (see below), whose sum is σ = 202440606480. Its totient is φ = 43380129936.

The previous prime is 101220303193. The next prime is 101220303221. The reversal of 101220303212 is 212303022101.

101220303212 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1807505387 + ... + 1807505442.

It is an arithmetic number, because the mean of its divisors is an integer number (16870050540).

Almost surely, 2^101220303212 is an apocalyptic number.

It is an amenable number.

101220303212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

101220303212 is a wasteful number, since it uses less digits than its factorization.

101220303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615010840 (or 3615010838 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 101220303212 its reverse (212303022101), we get a palindrome (313523325313).

The spelling of 101220303212 in words is "one hundred one billion, two hundred twenty million, three hundred three thousand, two hundred twelve".