1212004313140 has 48 divisors (see below), whose sum is σ = 2556094109184. Its totient is φ = 482728896000.

The previous prime is 1212004313111. The next prime is 1212004313147. The reversal of 1212004313140 is 413134002121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212004313147) 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, 69047365 + ... + 69064915.

It is an arithmetic number, because the mean of its divisors is an integer number (53251960608).

Almost surely, 2^{1212004313140} is an apocalyptic number.

1212004313140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212004313140 is an abundant number, since it is smaller than the sum of its proper divisors (1344089796044).

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

1212004313140 is a wasteful number, since it uses less digits than its factorization.

1212004313140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32128 (or 32126 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1212004313140 its reverse (413134002121), we get a palindrome (1625138315261).

The spelling of 1212004313140 in words is "one trillion, two hundred twelve billion, four million, three hundred thirteen thousand, one hundred forty".