1121212000987 has 16 divisors (see below), whose sum is σ = 1262164071168. Its totient is φ = 988232556960.

The previous prime is 1121212000927. The next prime is 1121212001009. The reversal of 1121212000987 is 7890002121211.

It is a cyclic number.

It is not a de Polignac number, because 1121212000987 - 2⁷ = 1121212000859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121212000907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3112873 + ... + 3454330.

It is an arithmetic number, because the mean of its divisors is an integer number (78885254448).

Almost surely, 2^{1121212000987} is an apocalyptic number.

1121212000987 is a deficient number, since it is larger than the sum of its proper divisors (140952070181).

1121212000987 is a wasteful number, since it uses less digits than its factorization.

1121212000987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567810.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 1121212000987 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, nine hundred eighty-seven", and thus it is an aban number.