1212000011000 has 32 divisors (see below), whose sum is σ = 2836080028080. Its totient is φ = 484800004000.

The previous prime is 1212000010909. The next prime is 1212000011059. The reversal of 1212000011000 is 1100002121.

It is a Harshad number since it is a multiple of its sum of digits (8).

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 7 ways as a sum of consecutive naturals, for example, 605999006 + ... + 606001005.

Almost surely, 2^{1212000011000} is an apocalyptic number.

1212000011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212000011000 is an abundant number, since it is smaller than the sum of its proper divisors (1624080017080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212000011000 is a wasteful number, since it uses less digits than its factorization.

1212000011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212000032 (or 1212000018 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1212000011000 its reverse (1100002121), we get a palindrome (1213100013121).

The spelling of 1212000011000 in words is "one trillion, two hundred twelve billion, eleven thousand".