1212140502412 has 48 divisors (see below), whose sum is σ = 2575286560000. Its totient is φ = 487632135744.

The previous prime is 1212140502409. The next prime is 1212140502421. The reversal of 1212140502412 is 2142050412121.

It is an unprimeable number.

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, 10393662 + ... + 10509637.

Almost surely, 2^{1212140502412} is an apocalyptic number.

It is an amenable number.

1212140502412 is an abundant number, since it is smaller than the sum of its proper divisors (1363146057588).

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

1212140502412 is a wasteful number, since it uses less digits than its factorization.

1212140502412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20903438 (or 20903436 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 1212140502412 its reverse (2142050412121), we get a palindrome (3354190914533).

The spelling of 1212140502412 in words is "one trillion, two hundred twelve billion, one hundred forty million, five hundred two thousand, four hundred twelve".