1011002121212 has 12 divisors (see below), whose sum is σ = 1826326412736. Its totient is φ = 489194574720.

The previous prime is 1011002121167. The next prime is 1011002121229. The reversal of 1011002121212 is 2121212001101.

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 in 3 ways as a sum of consecutive naturals, for example, 4076621333 + ... + 4076621580.

It is an arithmetic number, because the mean of its divisors is an integer number (152193867728).

Almost surely, 2^{1011002121212} is an apocalyptic number.

It is an amenable number.

1011002121212 is a deficient number, since it is larger than the sum of its proper divisors (815324291524).

1011002121212 is a wasteful number, since it uses less digits than its factorization.

1011002121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8153242948 (or 8153242946 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011002121212 its reverse (2121212001101), we get a palindrome (3132214122313).

The spelling of 1011002121212 in words is "one trillion, eleven billion, two million, one hundred twenty-one thousand, two hundred twelve".