101021201212 has 12 divisors (see below), whose sum is σ = 176800616776. Its totient is φ = 50506739280.

The previous prime is 101021201089. The next prime is 101021201227. The reversal of 101021201212 is 212102120101.

It is a junction number, because it is equal to n+sod(n) for n = 101021201192 and 101021201201.

It is a congruent number.

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, 906063 + ... + 1011430.

Almost surely, 2^101021201212 is an apocalyptic number.

It is an amenable number.

101021201212 is a deficient number, since it is larger than the sum of its proper divisors (75779415564).

101021201212 is a wasteful number, since it uses less digits than its factorization.

101021201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930668 (or 1930666 counting only the distinct ones).

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

Adding to 101021201212 its reverse (212102120101), we get a palindrome (313123321313).

The spelling of 101021201212 in words is "one hundred one billion, twenty-one million, two hundred one thousand, two hundred twelve".