1131022001212 has 48 divisors (see below), whose sum is σ = 2091192929280. Its totient is φ = 533760926400.

The previous prime is 1131022001209. The next prime is 1131022001261. The reversal of 1131022001212 is 2121002201311.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 52863037 + ... + 52884427.

It is an arithmetic number, because the mean of its divisors is an integer number (43566519360).

Almost surely, 2^{1131022001212} is an apocalyptic number.

It is an amenable number.

1131022001212 is a deficient number, since it is larger than the sum of its proper divisors (960170928068).

1131022001212 is a wasteful number, since it uses less digits than its factorization.

1131022001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23962 (or 23960 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1131022001212 its reverse (2121002201311), we get a palindrome (3252024202523).

The spelling of 1131022001212 in words is "one trillion, one hundred thirty-one billion, twenty-two million, one thousand, two hundred twelve".