101220011212 has 24 divisors (see below), whose sum is σ = 185578158080. Its totient is φ = 48246414480.

The previous prime is 101220011147. The next prime is 101220011237. The reversal of 101220011212 is 212110022101.

It is a junction number, because it is equal to n+sod(n) for n = 101220011192 and 101220011201.

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 7 ways as a sum of consecutive naturals, for example, 6083412 + ... + 6100027.

Almost surely, 2^101220011212 is an apocalyptic number.

It is an amenable number.

101220011212 is a deficient number, since it is larger than the sum of its proper divisors (84358146868).

101220011212 is a wasteful number, since it uses less digits than its factorization.

101220011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12183541 (or 12183539 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101220011212 its reverse (212110022101), we get a palindrome (313330033313).

The spelling of 101220011212 in words is "one hundred one billion, two hundred twenty million, eleven thousand, two hundred twelve".