1212147388462 has 16 divisors (see below), whose sum is σ = 1835290362672. Its totient is φ = 600384407040.

The previous prime is 1212147388433. The next prime is 1212147388511. The reversal of 1212147388462 is 2648837412121.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5689012 + ... + 5898232.

It is an arithmetic number, because the mean of its divisors is an integer number (114705647667).

Almost surely, 2^{1212147388462} is an apocalyptic number.

1212147388462 is a deficient number, since it is larger than the sum of its proper divisors (623142974210).

1212147388462 is a wasteful number, since it uses less digits than its factorization.

1212147388462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236403.

The product of its digits is 1032192, while the sum is 49.

The spelling of 1212147388462 in words is "one trillion, two hundred twelve billion, one hundred forty-seven million, three hundred eighty-eight thousand, four hundred sixty-two".