1022011001212 has 6 divisors (see below), whose sum is σ = 1788519252128. Its totient is φ = 511005500604.

The previous prime is 1022011001189. The next prime is 1022011001239. The reversal of 1022011001212 is 2121001102201.

It is a junction number, because it is equal to n+sod(n) for n = 1022011001192 and 1022011001201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127751375148 + ... + 127751375155.

Almost surely, 2^{1022011001212} is an apocalyptic number.

It is an amenable number.

1022011001212 is a deficient number, since it is larger than the sum of its proper divisors (766508250916).

1022011001212 is a wasteful number, since it uses less digits than its factorization.

1022011001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255502750307 (or 255502750305 counting only the distinct ones).

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

Adding to 1022011001212 its reverse (2121001102201), we get a palindrome (3143012103413).

The spelling of 1022011001212 in words is "one trillion, twenty-two billion, eleven million, one thousand, two hundred twelve".