1149210127212 has 48 divisors (see below), whose sum is σ = 3064614212352. Its totient is φ = 328339978560.

The previous prime is 1149210127181. The next prime is 1149210127213. The reversal of 1149210127212 is 2127210129411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1149210127213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7681887 + ... + 7830057.

It is an arithmetic number, because the mean of its divisors is an integer number (63846129424).

Almost surely, 2^{1149210127212} is an apocalyptic number.

1149210127212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1149210127212 is an abundant number, since it is smaller than the sum of its proper divisors (1915404085140).

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

1149210127212 is a wasteful number, since it uses less digits than its factorization.

1149210127212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240518 (or 240516 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 1149210127212 in words is "one trillion, one hundred forty-nine billion, two hundred ten million, one hundred twenty-seven thousand, two hundred twelve".