1212445146011 has 8 divisors (see below), whose sum is σ = 1345085524800. Its totient is φ = 1083541116040.

The previous prime is 1212445146007. The next prime is 1212445146067. The reversal of 1212445146011 is 1106415442121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212445146011 - 2² = 1212445146007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212445146511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934086521 + ... + 934087818.

It is an arithmetic number, because the mean of its divisors is an integer number (168135690600).

Almost surely, 2^{1212445146011} is an apocalyptic number.

1212445146011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1212445146011 is a deficient number, since it is larger than the sum of its proper divisors (132640378789).

1212445146011 is a wasteful number, since it uses less digits than its factorization.

1212445146011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868174409.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 1212445146011 in words is "one trillion, two hundred twelve billion, four hundred forty-five million, one hundred forty-six thousand, eleven".